Mushroom hunting, in the realm of outdoor fun, is a special mix of adventure and exploring nature. For fans who venture into the woods searching for hidden mushrooms, using modern technology has made a big difference. Among the many tools, thermal imaging devices are incredibly helpful for mushroom hunters. They give a much better experience than just using your eyes.
Understanding Thermal Imaging Technology
Basics of Thermal Imaging
At its core, thermal imaging operates on the principle of detecting infrared radiation emitted by objects based on their temperature. This is particularly relevant in the context of mushroom hunting, where these fungi often blend seamlessly with their surroundings. Unlike traditional night vision, which relies on ambient light, thermal imaging excels in total darkness or adverse weather conditions.
More about How Thermal Imaging Operates.
Infrared Radiation and Heat Signatures
Understanding infrared radiation is pivotal to grasp how thermal imaging unveils the hidden world of heat signatures. Everything with a temperature above absolute zero emits infrared radiation, and thermal imaging devices capture this radiation to create a visual representation. In the context of mushroom hunting, where subtle temperature variations can indicate the presence of fungi, discerning these heat signatures becomes a critical skill.
How Thermal Imaging Devices Capture Heat
Thermal imaging devices utilize a specialized sensor called a microbolometer to detect infrared radiation. As the radiation hits the sensor, it generates a thermogram, which is then translated into a visible image. The resulting thermal images provide a unique perspective for mushroom hunters, allowing them to spot temperature anomalies that may signify the presence of mushrooms, even in densely vegetated or dark environments.
Applications in Outdoor Activities
Overview of Thermal Imaging in Hunting
While thermal imaging has various applications in outdoor activities, its significance in hunting cannot be overstated. For hunters, it offers a distinct advantage by detecting the heat signatures of animals, aiding in tracking and navigation. In mushroom hunting, this technology provides an additional layer of awareness, enabling enthusiasts to identify potential fungal hotspots.
Specific Relevance to Mushroom Hunting
In the specific context of mushroom hunting, thermal imaging proves invaluable. Mushrooms, being living organisms, emit heat, albeit at levels not always perceptible to the human eye. Thermal imaging unveils these subtle temperature variations, helping mushroom hunters pinpoint locations where fungi may thrive. This capability transforms the mushroom hunting experience, offering enthusiasts a tool to enhance their detection abilities in diverse environments and lighting conditions. As we delve deeper, we will explore the key features that make thermal imaging devices effective companions in the quest for elusive mushrooms.
Key Features to Prioritize
In the realm of thermal imaging for mushroom hunting, several key features demand careful consideration to ensure an optimal experience. These features not only enhance the effectiveness of the device but also play a crucial role in navigating the diverse and challenging terrains synonymous with mushroom hunting.
Range and Detection Distance
Understanding the detection range of a thermal imaging device is paramount. The device’s ability to identify heat signatures at varying distances influences the overall effectiveness of mushroom hunting. In dense forests or expansive landscapes, a longer detection range becomes a valuable asset, allowing enthusiasts to scan a larger area and increase the likelihood of spotting mushrooms.
Why Detection Range Matters
The significance of detection range extends beyond mere convenience. It directly correlates with the device’s ability to unveil heat differentials in the environment. A broader detection range ensures that even subtle variations in temperature, indicative of mushroom presence, are captured, providing a comprehensive view of the surroundings.
Considerations for Mushroom Hunting Environments
Mushroom hunting often takes enthusiasts into diverse environments, from thick underbrush to open fields. When selecting a thermal imaging device, considerations for the specific environments where mushrooms thrive become pivotal. Devices with adjustable detection ranges or those tailored for dense foliage environments can be particularly advantageous.
Image Resolution and Clarity
The resolution of thermal images directly influences the clarity with which heat signatures, including those of mushrooms, are displayed. Higher resolution allows for finer details, making it easier to identify subtle temperature variations that might escape notice with lower-resolution devices.
Impact on Identifying Mushrooms
In the context of mushroom hunting, image resolution is not merely a technical specification but a practical necessity. Crisp and clear thermal images empower hunters to distinguish between similar heat signatures, ensuring that they accurately identify mushrooms amidst the surrounding flora and fauna.
Balancing Resolution and Cost
While high resolution is desirable, it often comes with a higher price tag. Finding the right balance between image clarity and cost is crucial. Enthusiasts must weigh their budget constraints against the need for enhanced resolution, ensuring that the chosen device meets their specific requirements without unnecessary financial strain.
Battery Life and Portability
Importance of Extended Battery Life
Extended battery life is a fundamental consideration for any outdoor activity, and mushroom hunting is no exception. The unpredictability of hunting expeditions requires devices with reliable and long-lasting batteries to ensure uninterrupted use in the field.
Considerations for Lightweight and Portable Devices
Mushroom hunters navigate through various terrains, often requiring them to cover significant distances on foot. The portability of a thermal imaging device, therefore, becomes a key factor. Lightweight and compact devices are not only easier to carry but also contribute to a more comfortable and agile hunting experience.
Mushroom hunting is an outdoor pursuit that places enthusiasts in the midst of diverse and sometimes unpredictable environments. When selecting a thermal imaging device for this activity, careful consideration of environmental factors is crucial to ensure the device’s reliability and performance. Two critical aspects that demand attention are weather resistance and thermal sensitivity.
Importance of Waterproof and Weatherproof Devices
The natural habitats of mushrooms span a range of climates, from damp woodlands to open fields. In these varied settings, weather conditions can shift rapidly, presenting challenges to equipment. Opting for a thermal imaging device with robust weather resistance, including waterproof and weatherproof features, is essential. Such devices can withstand rain, snow, and other adverse weather conditions, ensuring their functionality remains intact even in the face of nature’s unpredictability.
How Different Weather Conditions Affect Performance
The impact of weather on thermal imaging devices is notable. Rain or snow, for example, can obstruct the lens and affect image clarity. Devices with advanced weather-resistant features mitigate these challenges, allowing mushroom hunters to maintain their focus on the task at hand without being hindered by the elements.
Understanding Sensitivity in Various Environments
Thermal sensitivity refers to a device’s ability to detect and differentiate temperature variations accurately. In mushroom hunting, where identifying subtle differences in heat signatures is crucial, understanding thermal sensitivity is paramount. Devices with higher thermal sensitivity can unveil the intricate thermal patterns associated with mushrooms, even in environments with minimal temperature differentials.
Implications for Mushroom Hunting at Different Times
The thermal sensitivity of a device also holds implications for mushroom hunting at different times of the day. As ambient temperatures fluctuate, mushrooms may emit varying levels of heat. A thermal imaging device with optimal sensitivity can adapt to these changes, ensuring that enthusiasts can effectively locate mushrooms during dawn, dusk, or even in the dead of night.
In the realm of mushroom hunting, the effectiveness of a thermal imaging device is not solely determined by its technical capabilities; user-friendly features play a pivotal role in enhancing the overall hunting experience. Two key aspects deserving attention are the display and interface, as well as recording and sharing capabilities.
Display and Interface
Choosing the Right Display for Mushroom Hunting
The display of a thermal imaging device serves as the window through which mushroom hunters observe the hidden world of heat signatures. Optimal display characteristics can significantly impact the clarity of thermal images, making it easier for enthusiasts to identify mushrooms amidst their surroundings. Factors such as color rendering and resolution are crucial considerations when selecting a device that caters specifically to the unique requirements of mushroom hunting.
Intuitive Interfaces for Easy Operation
The interface of a thermal imaging device is the bridge between the user and the technology. For mushroom hunters navigating through dense forests or dark environments, an intuitive interface is essential. Devices with user-friendly controls and easily navigable menus empower enthusiasts to focus on the hunt rather than grappling with complex settings. Intuitive interfaces contribute to a seamless and enjoyable user experience, particularly in the dynamic and sometimes challenging conditions of mushroom hunting.
Recording and Sharing Capabilities
Benefits of Recording Hunts
The ability to record hunting expeditions is a feature that extends beyond mere documentation—it becomes a valuable tool for improvement and analysis. Thermal imaging devices equipped with recording capabilities allow mushroom hunters to revisit their hunts, assess their strategies, and identify patterns in mushroom distribution. This feature transforms each expedition into a learning experience, contributing to the continuous refinement of hunting skills.
Considerations for Sharing Findings with Others
Mushroom hunting is often a communal and shared experience. Thermal imaging devices that enable the sharing of recorded findings with fellow enthusiasts, researchers, or the wider community foster a collaborative spirit. This feature not only contributes to the collective knowledge of mushroom habitats but also builds a sense of community among mushroom hunting enthusiasts.
Mushroom hunting, as a recreational pursuit, often invites enthusiasts to find a delicate balance between acquiring cutting-edge technology and adhering to budget constraints. The intersection of features and cost becomes a critical consideration in selecting an optimal thermal imaging device for this activity.
Balancing Features and Cost
Striking the right balance between features and cost is a central concern for mushroom hunters. While advanced features can enhance the hunting experience, they often come at an additional expense. It is essential for enthusiasts to identify the features that align with their specific needs, ensuring that the chosen device offers a practical and cost-effective solution for mushroom hunting.
Evaluating the Return on Investment
When contemplating a thermal imaging device, enthusiasts should view their purchase as an investment in the overall quality and success of their mushroom hunting endeavors. Evaluating the return on investment involves assessing how the features of a device contribute to the efficiency and enjoyment of the activity. This thoughtful evaluation ensures that the expenditure aligns with the tangible benefits derived from the device’s performance.
Finding a Device that Fits Your Budget
The market for thermal imaging devices spans a range of price points, and finding a device that fits within one’s budget is a key aspect of the decision-making process. By identifying the essential features and prioritizing those that align with their budgetary constraints, mushroom hunters can make informed choices that enhance their experiences without unnecessary financial strain.
As the realm of mushroom hunting embraces the integration of thermal imaging technology, the considerations for selecting the right device are crucial. Enthusiasts must weigh the significance of features such as detection range, image resolution, environmental durability, user-friendly interfaces, and budget constraints. The synergy of these factors ensures an optimal and rewarding mushroom hunting experience. Thermal imaging devices not only unveil the hidden world of fungi but also contribute to a deeper understanding of the environments in which they thrive. By making informed choices, mushroom hunters can elevate their capabilities, transforming each expedition into an immersive journey of discovery and connection with the natural world.


Proforce safety wraparound spectacles with scratch resistant polycarbonate lens and moulded nose piece for comfort. Features protective side shields and adjustable arms for improved fit. Conforms to EN166 1F.
3M Tora CCS Safety Spectacles 71511-00000. Corded ear protection attachment. Perfect for workers intermittently exposed to noise. Clear polycarbonate lenses. Anti-scratch and anti-fog. Conform to EN166. Ear plugs available separately.
3M Over Spectacles. Designed to fit over most prescription spectacles with minimal interference. They offer an excellent coverage and field of vision, combined with a good level of protection against impacts. Provides protection against UV radiation.
3M 2890S Safety Goggles. Sealed safety goggles with polycarbonate lenses provide protection against liquids, dust, gases and vapours. Features anti scratch feature and UV protection. Ideal for construction and laboratories.


COMBAT-TESTED THIN FILM OPTICAL COATINGS AND FILTERS FOR MILITARY SURVEILLANCE AND IMAGING
DSI’s proprietary coating technologies produce conformal anti-reflection coated optics, tightly toleranced filters, and dense, durable windows for critical applications that perform on land, sea, and air.
Strategic intelligence demands accurate, reliable sources of information. When it comes to critical defense applications like missile seekers, surveillance, targeting pods, laser designators, rangefinding, and IR countermeasures, there’s just no room for ambiguity.
High performance imaging systems use precision optics with advanced thin film coatings, sometimes hundreds of layers thick, to boost performance with reliability and unmatched durability. DSI’s experts and specialized in- house coating capabilities produce multi-layer coatings for high performance single-wavelength, dual- wavelength, and broadband ARs and dichroic filters.
HIGH – PERFORMANCE THIN FILM OPTICAL COATINGS THAT WITHSTAND HARSH ENVIRONMENTS:
AR Coatings – Single Layer, High Efficiency Multi-Layer (Broadband)
Beamsplitters – Polarizing, Non-Polarizing
Filters – Bandpass, Notch, Edge, Patterned and Non-patterned
Dark Mirror Absorptive Coatings – High absorption/low reflectivity
Our full suite of standard and custom coating designs and proprietary coating processes deposit extremely dense, durable coatings to tackle your toughest challenges.


The efficacy of incandescent bulbs is low which is a major disadvantage in terms of higher operating costs and more heat in the room fluorescent fluorescnet lamps generate light when an electric arc excites the gas in the tube. Led lighting is very different from other lighting sources such as incandescent bulbs and cfls key differences include the following: light source: leds are the size of a fleck of pepper, and a mix of red, green, and blue leds is typically used to make white light.
The primary disadvantage of using incandescent light bulbs is cost they are comparably more expensive to buy and use than cfls according to popular mechanics magazine, if the average united states household (which has 45 light bulbs) were to switch completely to 75 watt cfls, the household would save $180 annually on power.
List of disadvantages of cfl light bulbs 1 not all of them can be used with dimmer switches if you are using dimmer switches, keep in mind that not all cfls can be used with these innovations so, make sure to check the package before using, as regular cfls can burn out quickly when used with dimmers switches 2. More economical light bulbs as our infographic shows, the differences between filament light bulbs and new-generation light bulbs are obvious the new bulbs use far less energy, which offsets the fact that they are more expensive to buy. One major disadvantage of energy-saving bulbs is their cost replacing incandescent bulbs with energy-efficient alternatives can be an expensive proposition, at least initially.
What are advantages and disadvantages of fluorescent lighting fluorescent lighting is less expensive than traditional lighting, but there are also drawbacks to using fluorescent lighting when you consider that a quarter of any home's electrical consumption is done through light bulbs, the savings can add up considerably. Energy-saving light bulbs produce a similar amount of light to incandescent bulbs while using a fraction of the energy wattage figures vary from manufacturer to manufacturer, but 100-watt equivalent bulbs may use about 70 watts in the case of halogen bulbs, and about 25 watts for led and compact fluorescent light bulbs, or cfls. Disadvantages of led light bulbs perhaps the main disadvantage of leds is their cost because the technology is fairly young the initial cost to transition from conventional lighting to leds is much more than switching to cfls. What are the advantages of the new-generation light bulbs new-generation low-energy bulbs each type of new-generation light bulb also has its own advantages: incandescent halogen bulbs up to 25 % less energy than traditional light bulbs useful life of two years.
Garages, patios, and porches are likely better suited for use with a more traditional bulb, especially if having bright light is important, as in an outdoor workshop one of the other biggest disadvantages of fluorescent lights is that they are more expensive up-front when compared with incandescent bulbs.


CO2 cutting lasers first became available in the 1980s. Back then, manufacturers saw them as game-changing because of their sheet metal applications. They could work metal to a higher degree of accuracy than ever before.
Fiber lasers are a more recent innovation and are proving to be equally revolutionary. The technology is disruptive because it is changing everything that industry experts thought was possible regarding sheet metal fabrication. These lasers are superior to CO2 lasers across multiple dimensions, including both economically and in terms of their performance.
In this post, we explore the key differences between fiber and CO2 laser cutting. By the end of it, you will have a clear understanding of why fiber cutting is superior across most categories.
How CO2 And Fiber Lasers Work
Manufacturers use both CO2 and fiber lasers to cut metal. However, there are some critical differences between them.
CO2 lasers work by passing electrical energy through a sealed tube filled with carbon dioxide gas. As operators increase the voltage, reactions with gas particles produce a steady beam of light. When the light touches an object, such as sheet metal, it imparts heat energy to the surface, causing it to melt or vaporize, producing a cut.
To increase the intensity of the laser, tubes feature highly reflective mirrors. These bounce light back and forth along the length of the tube, increasing its interaction with gas and, therefore, its intensity. A final mirror then directs the laser out of the laser head, via a focusing lens, to the working material beneath. The lens directs the laser beam to the precise spot, narrowing down the focus from around 7mm to just 0.1mm.
Fiber lasers are the newest addition to modern lasers and work on similar principles as CO2 lasers. However, because the technology they use is more advanced, they offer significant advantages.
Fiber lasers depend on laser diodes to transform electricity into photons. Semiconductor materials transform electrons into photons and then “pump” them into fiber-optic cable, similar to cables used for high-speed internet. The fiber cable then uses a combination of core and cladding materials to encourage the light to fall into a uniform beam (instead of scattering all over the place). The light is then amplified in the laser cavity (a special area in the fiber core), increasing the energy level and creating a light of a specific wavelength. The laser head then shapes the beam before releasing it..
Because they use different technologies, fiber and CO2 lasers work differently. This, in turn, has an impact on how they perform. As you will read below, fiber lasers are generally superior.
Fiber Lasers Require Less Maintenance
Fiber lasers use a fiber-optic beam path instead of a conventional mirrored beam path. As such, there is no need for maintenance such as mirror or lens cleaning, bellows checks, and beam alignments. CO2 lasers, on the other hand, require regular maintenance tasks to keep them fully operational.
Fiber Lasers Offer Greater Power Density
Thanks to fiber optic technology, fiber lasers are better able to focus a given level of energy on a target, increasing power density at the focal point compared to a regular laser. Even low-powered 2kW lasers have up to five times the power density of 4kW CO2 lasers, reducing energy consumption. They may also have superior absorption characteristics due to the shorter light wavelengths they emit, depending on the material being worked. Combined, the higher energy density and improved wavelength absorption help to increase cutting speeds by around five times compared to similarly-powered CO2 lasers in materials that are less than half an inch thick.
Fiber Lasers Are Sealed At The Power Source
Because of the way they work, fiber lasers are considered solid-state lasers. Fiber cabling connects to the diode source without any gaseous or liquid components (or moving parts).
As with other solid-state devices, fiber lasers are considerably more reliable and durable. Light passes from the diodes to the cutting head without the need for any moving components.
CO2 lasers, on the other hand, require a gas-filled tube with mirrors at either end. One mirror is fully reflective while the other lets a small percentage of light through. These mirrors then guide the light to the directed cutting area.
This specification adds complexity and more points of failure to the laser. Mirrors and lenses require careful maintenance so that they continue to perform to acceptable standards. Fiber lasers require no such care.
Fiber Lasers Are More Reliable
Leaking gas is a common problem in CO2 laser tubes. Seals around the tube do not always prevent gas from escaping, particularly over longer time frames. Because of this, many devices come with costly laser gas detectors to warn operators when gas is leaking from the tube. If gas levels go too low, manufacturers can swap out the tube for a new one before it affects manufacturing processes.
However, even with proper monitoring, a CO2 tube might only last three months to three years. That’s because regular use causes the CO2 inside the tube to eventually break down into carbon monoxide and oxygen, requiring replacement. Therefore, CO2 lasers are less reliable over time.
Fiber Lasers Do Not Require Warm-Up Time
CO2 lasers require about 10 minutes to warm up before they can begin performing optimal cutting operations. Fiber lasers, on the other hand, do not require any warm-up time, allowing operators to use them immediately.
Fiber Lasers Offer Better Beam Shape
Lastly, fiber optic lasers often offer beam-shaping technology. Operators can adjust the beam’s profile depending on the material they want to cut. Furthermore, because the beam passes through a fiber optic cable, it is considerably smaller and more focused than a CO2 beam, improving density and performance when paired with assisting gases.
Get Fiber Laser Cutters Today
If you’d like to learn more about the benefits of fiber laser cutters for your organization, get in touch with our team.


The 20th century, and particularly the latter part of it, can truly be called the Age of Optical Materials. This appellation is warranted in view of the ubiquitous role of optical materials and devices in some of the most important arenas of human activity, for example, fibers for optical communications; lasers and imaging displays for medical applications; optical coatings and devices (solar cells) for energy conservation; lenses, filters, and optically active materials for observing, detecting, displaying, and recording images in microscopy, photography, media, and information applications. We certainly have come a very long way when we consider that human involvement with optical materials and properties, prior to the past few centuries, was limited largely to aesthetic purposes, for example, mirrors, glazes for pottery, colored glass, pigments for paints, jewelry. But this does not even begin to accurately convey the dramatic progress that has been made.
Optical materials can be broadly divided into two categories: passive and active. The active category includes those materials that exhibit special optical properties in response to electrical, magnetic, mechanical, optical, thermal, and other stimuli and interactions. Examples include electro-optical devices such as lasers, light-emitting diodes, and photodiodes, as well as magneto-optical recording media, luminescent materials, polymer photoresists, and Hquid crystal displays. Passive optical materials encompass everything else, including inactive, active materials. For example, silicon is active in a solar cell but passive when used in optical coatings. In this chapter examples of both passive and active optical properties are treated.
All classes of engineering materials—metals, ceramics, semiconductors, and polymers—have representatives with interesting optical properties. In many of the modern optical applications, thin-film materials play a critical role and an introduction to this subject is therefore offered.
The unifying concept that embraces all optical properties is the interaction of electromagnetic radiation with the electrons of the material. On this basis, optical properties are interpretable in terms of the electronic structure as influenced by atomic structure and bonding. Therefore, aspects of both quantum mechanics and electromagnetic wave theory are required to account for a fundamental understanding of optical phenomena. For the engineering applications we are concerned with, however, simple equations distilled from elementary physics are all that is necessary, and these will be offered without proof.
In conducting solids like metals and semiconductors, a great number of electrons are available to interact with electromagnetic radiation. For example, metals contain a large density of empty, closely spaced electron states above the Fermi level. Incident photons over a broad wavelength range are readily absorbed by conduction band electrons.
These excited electrons occupy higher energy levels where they may undergo collisions with lattice atoms. The extra energy is dissipated through lattice vibrations that heat the metal, and we speak of absorption. Alternately, if the probability of colliding with an ion is small, the electron will emit a photon as it drops back to a lower energy level. This is the origin of the strongly reflected beam exhibited by metals in the visible and infrared region. When the time it takes for electrons to become excited and deexcited is short compared with the period of the incident electromagnetic wave, high reflective can be anticipated. Physically, the electrons are able to respond quickly enough to establish an electrical shield against the (more slowly) oscillating electric field associated with the incident wave, preventing it from penetrating. These conditions are well obeyed for metals in the infrared.
Of the nearly 80 metallic elements only gold and copper (and alloys of these metals) are significantly colored. All the other elements are white or gray, although in portions of the visible spectrum some metals have a slight tinge of color. Aluminum and chromium have a faint bluish, and nickel a weak yellowish, coloration. The overwhelming majority of metals reflect all portions of the visible spectrum and thus appear white. Gold and copper preferentially absorb in the green region, and these metals respectively assume the color of the reflected yellow and red light.
Figure: Reflectance of gold, silver, copper, aluminum, rhodium, and platinum mirror coatings as a function of wavelength.
where the reflectivity of a number of metals is displayed as a function of incident wavelength. A noteworthy feature of the optical response is the decreased reflectivity in the ultraviolet and, in particular, the abrupt absorption edge exhibited in Au, Cu, and Ag. The absorption now is not of the free carrier, intraband type discussed previously, but is instead due to interband electron transitions (e.g., a 3d to 4s transition in Cu).
In semiconductors it is somewhat startling to note such a strong variation in the absorption coefficient with wavelength as that indicated in Fig. 13-5. The several orders of magnitude change in a at the wavelength corresponding to the energy band gap has important implications in semiconductor optoelectronic devices. By now we are all familiar with the important interband transition that occurs in semiconductors when electron-hole pairs are created. If the incident wavelength has a higher energy associated with it than the energy band gap, electrons can successfully negotiate this interband transition.
The critical wavelength, R c, required is given by equation, namely, (um) 1.24/ Eg (eV). In the case of GaAs, where Eg — 1.43 eV, k c — 0.87 gm. Photons of shorter wavelength (with higher energy than E ) are then strongly absorbed, generating free electrons that occupy excited levels in the continuum of conduc- tion band states. Semiconductors resemble metals then and are highly reflective. Photons with longer wavelengths than k c (with lower energy than E g) are not absorbed. In this (infrared) range semiconductors are transparent because mechanisms no longer exist to excite transitions across the band gap.


Amazon price Last: £1,083.99, Highest: £1,088.00, Lowest: £1,045.90
3rd party new price Last: £1,305.00, Highest: £1,398.00, Lowest: £1,009.00
3rd party used price Last: £1,262.00, Highest: £1,262.00, Lowest: £849.99
WIDE ZOOM RANGE: ZEISS Vario-Sonnar T* 24-200 mm F2.8-4.5 high-resolution zoom lens
BREATHTAKING IMAGE QUALITY: The large 1.0-type image sensor has a resolution of 20.1 megapixels,with back-illuminated technology achieve a wide sensitivity range
FAST AND PRECISE AUTOFOCUS: Inherits Alpha 9-class features of up to 60times/sec AF/AE calculation, rely on 0.02s AF, Real Time tracking and Eye AF to keep your subject sharp ...


For a functioning darkroom, a few elements are necessary: a safelight (a light source, usually red, that doesn’t interfere with light-sensitive materials), an enlarger (the machine that projects an image onto the paper), the chemistry (the solutions to develop, stop, and fix an image on paper), photographic paper, and running water. In a color darkroom, there is no light source—photographic paper is sensitive to all the colors of the light spectrum—so the developing and printing processes are done in total darkness. Once a film roll has been developed in a film canister, washed, and dried, photographs are ready to be printed.
In order to print a photograph, the film roll is placed in the negative carrier inside the enlarger. The light from the enlarger projects the chosen image onto photo-sensitive photographic paper. A timer controls the duration of this exposure. After the paper has been exposed to light, it is submerged in three solutions. The first is the developer which reveals, in a 90-second span, the image on the paper. The paper is then bathed in a stop solution that, as the name suggests, stops the developing process. Lastly, the now-developed photograph is immersed in the fix, which secures the image onto the paper. After these three steps, the photographs are washed in running water and then hung to dry.


Free shuttle to visit the factory
Resin lens CR Rough Diamond grinding wheels for TOPCON.Cheap Abrasive Tools, Buy Quality Tools Directly from China SuppliersResin lens CR Rough Diamond grinding wheels for TOPCON ALE 5100 SG Auto eyeglass grinding machine,lens edger Enjoy Free Shipping Worldwide Limited Time Sale Easy Return.
OPTICAL LENS EDGE CUTTING GRINDING AND POLISHING.Warranty - 3 Months Features - 1. Plastic Body Grinding Machine With Light 2. Wheel Size 125 X 25 X 16 In Mm 3. 3 In 1 Machine glass,crampvgroove
How eyeglass lens is made material production process.The machine grinds each lens to its proper shape and places a bevel around the edge of the lens so that the lens will fit the eyeglass frames. Water flows over the lens throughout this process. 10 If the lenses require additional grinding, the process is done by hand using a mounted power grinder.
Lens Grinding and Polishing Machines Market Analysis.Major players in the Lens Grinding and Polishing Machines market are profiled with company overview, financial overview, product portfolios, recent developments, and strengths and weaknesses....
Lens Grinding and Polishing Machines Market Analysis 2021.Major players in the Lens Grinding and Polishing Machines market are profiled with company overview, financial overview, product portfolios, recent developments, and strengths and weaknesses.... Lens Grinding and Polishing Machines Market Analysis 2021 to 2027 Decisive Approach, Remarkable Growth and Countless Market Share With Future Prospects -
PROMA MACHINERY CORP LTD CNC Cylindrical Roll.CNC Cylindrical Roll Grinder The spindle is made by Ni-Cr-Mo alloy steel with precise grinding Which was Installed into hydrodynamic bearing to get precise rotary amp non-wear performance. Grinding Machine We are specialzed in manufacturing Grinding Machine.
Grinding and Polishing ASM International.An automatic grinding and polishing machine is shown in Fig. 4.1. Automatic grinding methodsteps are 1. Symmetrically load three to six mounted specimens into the specimen holder of an automatic grinding-polishing machine, with the at sur-face of the ceramic section downward. Most manufacturers provide a
Eyeglass Lens Grinding Machine Market Size Growth Share.Global Eyeglass Lens Grinding Machine Market report offers insightful analysis of technological advancements, effective sales patterns and research methodologies for top key players. It...
Hesh Store.Hesh Opto Lab Private Limited. No. 141, Broadway High Road, Parrys, Chennai - 600108. India 91 7010366206 9884052555 . Email heshstorebhavingmail.com
220V Glasses Polishing Machine Manual Lens Grinding.Find many great new amp used options and get the best deals for 220V Glasses Polishing Machine Manual Lens Grinding Tool Plisher Buffer Machine at the
An Introduction to the Optics Manufacturing Process.Oct 31, 2008 Before the lens undergoes further grinding, the lens must be blocked, or mounted, to begin the process. Blocking involves mounting lenses onto a convex or concave surface inverse of the tool being used with pitch or wax. A lens can be blocked individually Figure 3a, but more often, many lenses with the same radii are mounted on one surface
cr lens grinding machines.Optical Glass CR Lens Edge Grinding Cutting Machine -SKE-AHE Rs 22,500 Piece 4.15 46Machines are availabe with diffrant sizestypes diamond wheels and colours body. ske-glass edge grinding machine is generaly with 125 x 16 x 3 mm auto standerd diamond wheel. also we are manufacture machines with 150 x 16 x 3 mm diamond wheels and types of ...
Optical Automatic Lens Edger GLCR Lens Grinding Machine.SJG-5100 Optical Automatic Glasses Lens Edger GLCR Lens Grinding Machine 110V Y. 1 x SJG-5100 Optical Automatic Glasses Lens Edger. Grinding clamping force 0.45-1.10MPa. Machine weight48Kg. Wheel working line speed 16.7ms.
CNC Optical Grinding Machines OptiPro.SXL 500 5-Axis Lens Grinding Machine 10-500 mm Optics The SXL 500 is a 5-Axis CNC bridge style optical grinding platform can generate precision optical surfaces up to 500mm, including spheres, aspheres, freeform optics, and more.
optical grinding machine optical grinding machine.China full automatic optical lens edger grinding cutting machine for Glass CR lenses SJG6100. 950.00-1,050.00 Set. 1 Set Min. Order CN Danyang Huasu Optical Co., Ltd. 14 YRS. 4.9 4 Contact Supplier. Fast Grind 2200 System Optical Lens Surfacing Generator Machine. 50,000.00-100,000.00 Piece.


The Fieldpiece Non-contact Infrared Temperature Accessory with Laser Sight, model ATIR3, collects infrared energy (IR) and converts it to a mVDC signal that is proportional to the temperature being measured. The temperature measured is the average of all the temperatures in the 8:1 cone of viewability. The closer you are to the target, the smaller the area measured. The further away, the larger the area. The digital, non-contact ATIR3 converts the Fieldpiece “Stick” series meter, or electronic handle to a one-piece infrared, or IR, thermometer.
Designed for HVACR professionals, the Non-contact Infrared Temperature Accessory with Laser Sight, model ATIR3, measures infrared energy in it’s cone of view and converts it into temperature readings on your meter using the mVDC scale.


- Start of the project : 01-11-12
- End of project : 30-11-14
Sensors for the measurement of indoor air VOC pollution.
The aim of the project is to develop a VOC (formaldehyde) sensor for monitoring the quality of indoor air in industrial or domestic environments, thus enabling passive and active preventive measures to be taken. The sensor will be designed so that it can be purely passive and provide a visual signal or generate an electrical signal.
The deliverable consists of the development of VOC (and more specifically formaldehyde) sensors for the measurement of indoor air pollution.
This will provide a simple, fast and inexpensive formaldehyde concentration measurement system to avoid the systematic use of more cumbersome and expensive laboratory analyses.
Objectives and missions of Materia Nova
Within the consortium, Materia Nova carried out the development of the sensitive layer and the characterization of the sensor.


Would you pay £4,000+ for the best TV ever? Mitsubishi is hoping so, but just can’t make up its mind whether to launch its Home Cinema Laser Display in Europe. We do hope it does.Our extended demo with this very special display proved one thing: rear projection TVs are brilliant, and – thanks to lasers – approaching a position where the achievable size and, crucially, picture quality advantages over both plasma and LCD (and that includes LED backlit variants) are significant enough to attract the high rollers after a slice movie perfection.
We knew this would happen. Just a few [...]
If you own an Unmanned Aerial Vehicle (UAV), here’s piece of advice: don’t fly it near San Nicholas Island, California, or it could be blasted out of the sky – by a laser. Two such vehicles were successfully shot down there on May 24th by a US Navy laser weapon. According to the official press release, this marks “the first detect-thru-engage laser shoot-down of a threat representative target in an over-the-water, combat representative scenario.”
Members of the Naval Sea Systems Command (NAVSEA) utilized a laser shot through a beam director on a KINETO tracking mount, controlled [...]
A collaboration between Fujitsu and the University of Tokyo achieved a record 25Gbps data communication link using quantum dot laser, a low-cost technology that can reliably handle high-speed data transmissions while consuming minimal power. With good performance and wide margins for further improvement, this development paves the way to the next generation of high-speed Ethernet data communications, which will see a tenfold increase in transfer speed.
As the video sharing and cloud computing phenomena keep inflating our need for speed, engineers urgently need solutions to keep pace with [...]
This Sunday will mark the 50th anniversary of the laser. The world’s first functional laser sent out its initial pulses on May 16th back in 1960, where Theodore Maiman (pictured above), showed off the technology at the Hughes Research Laboratories. While Maiman is known as the father of the laser for being the first to realize one, he actually wasn’t awarded the patent for the technology — that went to Charles Townes and Arthur Schawlow of Bell Labs who, in 1958, published a paper detailing the work they themselves did on realizing a working laser without having built one.
The laser [...]
Hats off to Russian designer and crazy keyboard creator Art Lebedev: He’s created a clock unlike any other. Reflectius is an ingenious design concept that uses one laser and 60 rotating mirrors, all reflecting from a single laser beam into the shapes of numbers. Brilliant.
The clock’s case, which Lebedev calls “a complex triangulated surface that reminds of the complicated trajectory the beam of light travels in no time,” is just as inventive as the laser paraphernalia within.
Will there be a tiny bit of smoke wafting among these mirrors, making those laser beams show [...]
Boeing straight-up stepped out of our dreams and into our hearts with its 747-mounted airborne laser designed to shoot down ballistic missiles. A project we once feared to be dead, not only is the airborne laser very much alive, but now there’s even a video of the whole thing.
From our previous coverage:
For the first time ever, an airborne laser weapon mounted aboard a Boeing 747-400F blew up a sea-launched liquid-fueled ballistic missile. The light-speed laser beam shot “directed energy” from the Airborne Laser Testbed (ALTB), consisting of a Northrop Grumman higher-energy [...]


Tel: 01745 343200
For the past nine years it has been voted Britain’s most-trusted brand of opticians by Reader’s Digest. The current straplines ‘Number One Choice For Eye Tests’ and ‘Number One Choice For Contact Lenses’ reflect its position as market leader. Specsavers’ range includes Tommy Hilfiger, Red or Dead, fcuk, Bench, Quiksilver, Roxy, Jasper Conran and Missoni, as well as the market leading Osiris designer brand. Our frames are developed using the latest innovative manufacturing and design techniques from the highest quality components and raw materials available. The full range of over 2,000 size and colour options is structured around a comprehensive features and benefits pricing structure, starting from £25 through to £169. Our own lens manufacturing laboratories – three of the largest in Europe – supply the latest high-tech lenses in volume at the lowest possible cost. All Specsavers frames come with free Single Vision Pentax lenses as standard.
Comments are closed.


Center Mount Round Reflector, 3.25″
These center mount round reflectors are mounted to objects to make them highly visible to drivers
- Can be mounted to a wide variety of objects to make them highly visible to drivers, such as mail boxes and bridge abutments.
- Can also be mounted to light gauge posts to help visibility along dimly lit roadways
- Additional information
- Reviews (0)
- Excellent visibility in bad weather (rain, fog, sleet or snow)
- Sealed against dirt and moisture
- Excellent visibility, due to the unique 6-point prism design, gives motorists an extra margin of safety even in inclement weather.
- Smooth as glass exterior makes the reflector self-cleaning. Interior prismatic surfaces are completely sealed against the elements for long-lasting brightness.
|Dimensions||3.5 × 3.5 × 1 in|
Orange, White, Blue, Yellow, Red


Hi, your search found this article for you on Trip:
How to measure slab-off and reverse slab prism in spectacle lenses.
JAAPOS - Journal of the American Association for Pediatric Ophthalmology and Strabismus, 2007
firstname.lastname@example.org It is well known that new spectacle lenses for the correction of anisometropia can induce diplopia with reading.
The difference in the powers of the lenses induces a net prismatic effect that can cause double vision through off-center areas of the lenses.
This is particularly bothersome when patients try to read, often noting vertical double vision in attempted downgaze, especially through multifocal add segments.
This induced prismatic effect can be compensated at one level of downgaze by the use of slab-off or reverse slab prism.
Unfortunately, determining the amount of slab-off prism already incorporated into spectacle lenses is nonintuitive and inconvenient.
This usually requires the use of a lens clock, which is not widely accessible to many ophthalmology practices.
A simple technique, described in the past but poorly known, is illustrated here for quickly measuring slab-off and reverse slab prism prescription lenses in the clinic with a common manual lens meter.


Three scientists have been awarded the 2018 Nobel Prize in physics for creating groundbreaking tools from beams of light.
Arthur Ashkin won this esteemed prize, for his development of “optical tweezers”, technology that allows scientists to grab atoms, viruses and bacteria in finger-like laser-beams.
Gérard Mourou, and Donna Strickland, each receive a quarter of the prize for work that paved the way for the shortest, most intense laser beams ever created. Their technique named "chirped pulse amplification".
The amplification technique of the Chirped Pulse Amplification (CPA) lasers was developed a little more than 30 years ago by Gérard Mourou and Donna Strickland, who was his student at the time, the technique creates ultrashort, intense bursts of laser light by stretching, amplifying and finally recompressing the light waves. Adapted to the medical field, the (CPA) technique has led to new advances in the field of refractive surgery of the eye and cataracts. "The inventions that are honored this year have revolutionized the physics of lasers".


New Business Starts From Plasma Lighting
Plasma lighting is a high lumen energy saving lighting. It is fit for different kind of applications such as municipal, sports facilities, roadway, and green house usage. The lumens of one plasma light source is equal to 100 LED light source. The characteristics of plasma lighting include low energy usage, long life, high color rendering index, even light distribution, etc. It can substitute traditional metal high intensity discharge lamps, high pressure sodium lamp and new model plasma lighting fixtures etc. In view of the upcoming trend of energy saving, The Group has identified this new opportunity by combining the plasma light technology together with the magnesium material which is light with better heat dissipation performance. A new company Alphalite is established to be responsible for all the design, manufacturing and sales of Plasma lighting fixture, that uplift the corporate business to another new arena.


The light-emitting diode (LED) is one of today’s most energy-efficient and rapidly-developing lighting technologies. Quality LED light bulbs last longer, are more durable, and offer comparable or better light quality than other types of lighting.
LED light bulbs are extremely energy efficient and long-lasting; an LED bulb can cut energy consumption by over 80% when compared to conventional light bulbs and can last up to 25% longer. A US Department of Energy study found that LEDs installed in 2012 saved around $675 million in energy costs. You can help by swapping an LED bulb for any regular light bulb at home.
LEDs are notable for being extremely long-lasting products. Many LEDs have a rated life of up to 50,000 hours. This is approximately 50 times longer than a typical incandescent, 20-25 times longer than a typical halogen, and 8-10 times longer than a typical CFL. Used 12 hours a day, a 50,000 bulb will last more than 11 years. Used 8 hours a day, it will last 17 years.
LEDs give out their light almost instantly when you flick the light switch, so you don’t have to put up with dim light while they get going.
LEDs emit very little heat. In comparison, incandescent bulbs release 90% of their energy as heat and CFLs release about 80% of their energy as heat.
LEDs are made with epoxy lenses, not glass, and are much more resistant to breakage.
If every American replaced one conventional light bulb with an LED, the energy savings could light an estimated 2.5 million homes.That’s the equivalent to the greenhouse gas emissions of 800,000 cars. For more information on the benefits of using LED bulbs.


Spectrally selective solar window films are different than traditional window films. Traditional window films rely on dyed products or highly reflective aluminum coatings that are either vapor coated or sputtered on clear polyester. Traditional automotive films are examples of dyed films. “Silver 20″ are traditional commercial films that have the “mirror effect.” Spectrally selective films are clear, yet reject the heat before it can enter a home, office or automobile.
Spectrally select films are a great way to keep the light but reject the heat. Be green and conserve energy with premium architectural window film.
Solar film Perth has been available in the Perth since the 1960’s.Since then advancements in manufacturing processes have seen the product improve both in performance and in durability. Most films are protected by a “hard” scratch proof coating which means that the expected lifespan of the film will usually exceed ten years and can withstand the same regular cleaning and maintenance processes of ordinary glass.
The latest innovation in Solar Control films is the introduction of nanotechnology which allows multiple layers of different precious metals to be coated onto the base polyester film. These films offer a high level of heat gain reduction with the benefit of reducing the interior light levels by very small amounts.
Solar window film is usually subject to less critical testing. However, standards are in place to maintain a level of quality in the industry. The ANSI Standards ASTM E903 and ASTM D1044-93 relate to the solar/UV transmission properties and abrasion resistance, respectively. The larger window film manufacturers use these standards to guarantee the quality of their raw materials and finished products.
Window films filter out over 99% of UV Rays to 380 nm – helping to reduce the main contributor to fading. However, additional factors such as Solar Heat and Visible Light also contribute to fading. Therefore the greatest protection from fading is offered by tinted or metalized window films that reject large levels of heat and visible light – in addition to UV.
Even in winter solar heat can pour in through unprotected windows, causing uneven temperatures and hotspots creating a constant battle for air conditioning systems. Solar Control window film is designed to reduce the amount of solar heat transmitted by increasing reflection and absorption through glazing. Typical colored or tinted films work primarily through increased absorption thus absorbing the solar energy into the glass, thus reducing the direct heat transmission into a room. These films only offer marginal performance when compared to metalized or reflective films.


Sigma 18-35mm f/1.8 DC HSM Art Lens for Nikon + Filter Kit + Accessory kit. HTML Layout using Tables, DIV, SPAN. A large-aperture fixed focal length lens is great for achieving expressive bokeh effects and enjoying ultra-high optical performance. On the other hand, photographers often need to change the angle of view to properly capture the scene that presents itself.
Taking on the challenge of creating the world's first wide-aperture lens to offer an aperture of F1.8 throughout the zoom range, Sigma has succeeded in creating a zoom lens that offers the same high optical performance of a fixed focal length lens. These outstanding performance characteristics are especially apparent in an APS-C format camera, since it has a slightly greater depth of focus than a full-frame camera. This is a revolutionary lens that overturns preconceptions while expanding the range of photographic expression. Designed with a focus on sophisticated optical performance and tremendous expressive power, Art line of lenses delivers top-level image quality.
With unsurpassed expressive performance, these lenses reach the high standards demanded by photographers with an artistic, creative inclination. Along with landscapes, portraits, still-life, close-up and casual snaps, they're perfect for the kind of photography that unleashes the inner artist.
Ideal for studio photography, they offer just as much expressive scope when capturing architecture, starry skies, underwater shots and many other scenes. Sigma 18-35mm f/1.8 DC HSM Art Lens for Nikon. 72mm 3 Piece Filter Kit. 72mm Multi-Coated 3 Piece Filter Kit (UV-CPL-FLD).
2-In-1 Lens Cleaning Pen (Black). These filters, made from the finest solid optical glass, are ground and polished to the most practical thinness.
In addition, they are heat-treated to avoid any distortion or focal shift, and each filter is subject to strict tests in order to ensure a flawless, even surface, which is essential to a quality filter and exceptional photographs. Ideal for protecting your valuable lens from scratches and dust. UV filter absorbs ultraviolet rays to produce crisp, clear photographs. Polarizing filter eliminates reflections from non-metallic surfaces, and increases contrast and color saturation.FLD filter helps balance light in outdoor situations or where fluorescent lights are used. Lens filters are translucent glass placed in front of a camera lens to alter or adjust the light entering the camera and to protect the camera lens. Lens filters improve photographs by giving photographers control over light and allowing them to emphasize the features of a scene that they consider most important. This particular filter kit is a combination of the three essential filters no photographer should be without. Filters are one of the least expensive accessories you can use to make big changes in the way your pictures look. UV Filters A UV filter is used to reduce UV rays from entering the lens and striking the film. Modern lenses often have UV protection built into them as well as digital sensors, however, UV filters are commonly used to help protect the surface of the lens from scratches, smudges, dirt and other hazards. Circular Polarizing Filters No camera bag should be without a polarizing filter, whether you shoot digital, color film, color slide, or black and white. A polarizer is different than most filters in that it is composed of two pieces of glass, mounted independently inside a round frame so that one can be rotated relative to the other. As it is rotated, it increasingly cuts out glare and haze. With an SLR, you can actually observe this change through the viewfinder. Polarizers reduce glare from water, glass, or any non-metallic surface. You can also use a polarizer filter to darken blue skies. FLD Filters A FLD filter (fluorescent light correction) provides the perfect solution for obtaining pleasing skin tones and correct color while shooting without a flash under fluorescent lighting. This filter gives true-to-life color rendition by removing the harsh yellow-green cast ordinarily resulting from fluorescent bulbs. When shooting under natural light, a fluorescent filter dramatically increases color saturation of subjects such as sunrises and sunsets. A UV filter serves to protect your lens from all dust, dirt, scratches and fingerprints. It also absorbs the Ultraviolet rays of the sun thereby reducing or eliminating distortion. Digital Concepts filters are manufactured from the finest solid optical glass, and are heat treated and multi-coated to ensure optimum picture quality. This Dust Blower is Perfect for keeping your camera clean. Excellent way to remove dust off sensitive camera parts without physical contact. Safe for lenses, including multi-Coated Surfaces. High Quality 2-in1 Lens Cleaning Pen. Works with all types of cameras, (digital and film), as well as binoculars, telescopes, SLR lenses and other optical products. The small pen style design easily fits in your pocket or camera bag. It features a retractable brush on one end and a spray cleaner on the other end.
It also has a convenient clip to keep it in your pocket. The perfect way to keep track of your lens caps. A small button tapes onto the front of your lens cap and the elastic loop goes around the barrell of your lens so that your lens cap always remains attached, hanging from the lens. Never lose a lens cap again! Most efficient way to clean all optical surfaces such as your camera's lens, LCD viewfinder, filters and auxiliary lenses.Works with all types of cameras, as well as binoculars, telescopes, SLR lenses, eyeglasses & sunglasses. There will be no price protection, if the price of an item changes after purchasing.
Do not deface original factory cartons or packaging in any manner. We will not accept a return if the goods are not in its original condition.
Do not discard box, until equipment has not been tested. The item "Sigma 18-35mm f/1.8 DC HSM Art Lens for Nikon + Filter Kit + Accessory kit" is in sale since Thursday, April 26, 2018. This item is in the category "Cameras & Photo\Lenses & Filters\Lenses".
The seller is "redtagcamera" and is located in Brooklyn, New York. This item can be shipped worldwide.


A waterproof outdoor floodlight with popular and valued characteristics, based on a LED light source. The device is equipped with 44 diodes with a power of 10 W each. Thanks to its great power, this device will work not only on stages, but also as lighting for buildings and large spaces. The IP65 resistance class allows to use the Atom R LED in all weather conditions. Available in two connection variants: Powercon + XLR IP65 or IP65 connections.
Basic parameters of the device below:
Power: 44x10W RGBW
Source of light: LED (OSRAM)
Lifespan: up to 50,000 hours
Modes of operation: DMX512, Sound Active, Master/Slave
Beam angle: 45°
DMX: 4, 8 channels
Dimmer: linear 0-100%
Range of motion: 540/270 pan/tilt
Resistance class: IP65
Weight: 4 kg
We invite you to get to know our full range of floodlights.


BBB have launched their Impulse sport glasses with interchangeable smoke polycarbonate lenses.
The lenses, with 100 per cent UV protection, protect your eyes against sunlight, dust and wind. The Grilamid frame features an adjustable silicon nose piece for comfort, while the soft touch temple ends provide a firm fit. The glasses come with a pouch and two extra lenses: yellow and clear.
Impulse, which retail at £69.99, are available in white, matte black, glossy black, chrome and red, all with smoke flash mirror lenses. The white frame is also available with Photochromic lenses (£99.99).


– to inspire a sustainable future!
André Broessel’s spherical glass solar energy generator is one of the more elegant examples of concentrated photovoltaics technology we’ve come across. The architect shared his work withDesignboom, where you’ll find numerous photos of the finely-sculpted glass orb. Broessel’s generator utilizes a ball lens (complete with optical tracking) to achieve higher energy efficiency than typical PV units — up to 35 percent, according to his tests. A number of renders demonstrate potential use cases for the design, though we’re not convinced such a fragile solution could ever gain widespread adoption, particularly as regular solar panels continue to drop in cost. Even so, Broessel’s structure is an impressive feat that borders on art, and it’s nice to see fresh innovation when it comes to improving solar technology.


The Foscam FI8910W is one of the latest IP cameras from FOSCAM and continues from its highly popular and successful predecessor the FI8918W. There is one very significant upgrade with the Foscam FI8910W: it?s designed to mitigate the loss of daytime colour accuracy that plagues most IR night vision network cameras by using an ?embedded IR-cut filter" that provides enhanced picture and colour quality. The IR-Cut filter automatically adjusts the lighting exposure via mechanical filter to provide true and accurately coloured images that are not washed out whilst also adjusting to changing light conditions. In addition, the FI8910W has an upgraded and higher quality external housing. The FI8910W is a wireless or wired, pan/tilt IP camera solution for indoor use. It combines a high quality digital video camera, remote pan/tilt ability with network connectivity and a powerful web server to bring clear video to your desktop or smart-phone from anywhere on your local network or over the Internet. The high quality video image is transmitted with upto 30fps speed on the LAN/WAN by using M-JPEG hardware compression technology. The image resolution is 640 x 480 (300k Pixels). The Foscam FI8910W camera is based on the TCP/IP standard. The control, management and maintenance of the camera is done simply by using your browser to remotely configure and upgrade the firmware. The Foscam FI8910W IP camera can reach up to 8 meters of visibility in absolute darkness with 11 infrared LED's. In addition, it is smart-phone compatible (iPhone, Android & Blackberry) as well as viewable over the internet network using the standard Safari browser (no app necessary). The camera functions well as an iPhone baby monitor or as part of a home or office security system with remote internet monitoring ability.


The Tamron SP 45mm F/1.8 Di VC USD is a fast prime lens with a "normal" focal length but it's anything but ordinary. It's great to see a company actively improving its products a while staying realistically affordable for everyday shooters. Tamron FE 17-28mm F2.8, SP 35mm F1.4, 35-150mm Tamron 17-35mm F2.8-4 Di OSD Lens to be Announced on Tamron SP 35mm f/1.4 Di USD Lens Sample Images (DPReview) Images & Specs of Tamron 17-35mm F2.8-4 Di OSD Lens Leaked; Tamron SP 85mm F1.8 Di VC USD Lens Review (Opticallimits).
The Tamron. The SP 35mm will keep pace with the photographer’s spontaneity – on the spur of the moment, with a handheld shot. * Rated top among current 35mm fixed focal length interchangeable AF lenses for full-frame DSLR cameras excluding macro lenses (As of July 2015. Source: Tamron). High Performance at F/1.8 Full Aperture.
Built specially for today's advanced camera systems with a high pixel density, the Tamron. Tamron SP 35mm f/1.8 Di VC USD. Tamron SP 45mm f/1.8 Di VC USD. There are two switches on the lens, one is for switching between autofocus and manual focus mode and the other one is for turning on/off the optical image stabiliser. Both switches are larger than the typical one on other lenses.
deckenventilator mit licht und fernbedienung günstig
SP 45mm F/1.8 Di VC USDと SP 35mm F/1.8 Di VC USDは、そんな淡い期待をも抱かせてくれるレンズである。 大浦タケシ （おおうら・たけし）1965年宮崎県生まれ。. The Tamron SP Di VC USD Lens is an advanced accessory that is designed specifically for most Canon cameras with an EF mount. It is the world’s first lens to come with a minimum object distance of 7.9 inches for full-frame DSLR cameras..
Tamron. This is a Tamron SP 15-30mm f/2.8 Di VC USD. Let's define some of the named elements of this lens so we know what we are dealing with: Tamron: A Japanese company manufacturing photographic lenses. SP: Superior Performance. This is Tamron's version of an L Series lens for Canon.
Tamron SP 35mm f/1,8 Di VC USD (Canon). Tamron SP 35mm f/1,8 Di VC USD je kvalitní světelný objektiv vhodný pro full-frame snímače. Jeho optická soustava se skládá z 10 členů v 9 skupinách s povrchovou úpravou eBAND, BBAR k potlačení. SP 35mm F/1.8 Di VC USD.
SP. The SP AF 45mm f/1.8 DI VC USD and its 35mm focal length companion have been designed for purists; photographers who require top performance with few, if any, compromises. The 45mm focal length will be attractive to owners of ‘full frame’ cameras because it provides field-of-view coverage that is similar to normal vision..
11/7/2015. Tamron SP 45mm f/1.8 Di VC USD F013 Lens For Nikon. The integration of VC (Vibration Compensation) into a fast standard prime lens for full-frame DSLR cameras now optimizes the potential of the 45mm lens to a degree of resolving power never seen before - to capture crisp and tack sharp images at any setting from F/1.8 full open aperture.


Optical Coherence Tomography (OCT) is one of the most up-to-date eye scan technologies for people of all ages. The OCT machine captures images in cross sectional scans and in 3D enabling us to see the different layers of the retina.
Using the OCT, it allows us to see problems within the eye that could not easily be seen before and at a much earlier stage. This usually allows you better treatment options and a better visual outcome.
Some of the common eye conditions which we regularly screen with the OCT include:
- Age Related Macular Degeneration (ARMD)
- Vitreous Degeneration
- Macular holes,
- Epiretinal membranes
- And many more
The scans only take a short appointment to carry out and often do not require the use of eye drops, so it is safe to drive afterwards.
To book an OCT scan appointment, please contact the practice on 01386 553 922


PREMION O is the automatic version of the PREMION series with a purely optical measurement system. The high-resolution matrix camera allows to measure precisely the micron on symmetrical rotating pieces.
The automated measuring process ensures reproducible and independent from user measurements. It’s designed to measure shafts directly in the workshop, next to the manufacturing machines.
Every symmetrical rotating detail can be measured in few seconds and directly from the work place. That means time saving and hence an economic advantage for your production system.
On a stable base are installed high precision (linear) guides with an automatic moving optical system. Workpieces are placed between the adjustable tailstock and the precision spindle, led by rotary encoder.
HOW TO MAKE THE MEASUREMENT
The piece is placed and blocked between the tips by the user. The operation is intuitive and everything is managed through a touch screen.
The features are automatically measured following the scheduled measuring sequence. Measurement results are shown on the display and they even consider tolerance.
The results are saved automatically in PDF and DFQ form (Q-DAS certificate according to AQDEF).
WHAT DOES IT MEASURE
Lenght, diameter, concentricity, radius, angles and much more.
Maximum length measurable: 400 mm
Maximum diameter measurable: 60 mm
Length: (4 + L / 100) μm, L = length in mm
Diameter: (1 + L / 100) μm, L = length in mm


Last week at the Space Coast Birding and Wildlife festival I had the opportunity to briefly try out a pre-production unit. The lens was one of the first pre-production units and a lot has changed since it’s manufacture. The final units will be way better in image quality, performance and handling. With that said, I will say I was truly impressed with the way the lens performed.
The Leica 100-400mm is an f/4-6.3 telephoto zoom lens that gives the equivalent of 200-800mm in 35mm equivalence.
The lens has a lockable zoom pull feature, so you can pull the end of the zoom to set the zoom position, or when it is locked, you need to rotate the zoom ring to vary the focal length. The lens has Power Optical Image Stabilization, and high-speed 240fps AF drive, which makes it incredibly fast in focusing performance. It is also, splash and dust proof.
A feature I found most useful was the lens collar and foot that also rotates all the lens function switches. This allows you to easily access these in any orientation, landscape or portrait.
In thumbnail view, hover over the thumbnail to see the focal length and exposure details. To see a larger rendition of this slide show please click here


Network and Engineering
The Road to 10G: Using Prisms and Sonars to Increase Network Reliability
Venk Mutalik – an engineer on our Next Generation Access Network team – was working late one night in 2019 when he had an inspiration to use a well-known technology component in an entirely new way to keep our networks running smoothly for customers.
Today, the innovation that Mutalik and his team built from that idea is giving our network engineering teams unprecedented visibility into network performance and allowing them to detect and fix issues faster than ever before. This technology is just one of many innovations Comcast is deploying to prepare our network for 10G.
In October 2020, Comcast achieved a 10G technical milestone in a trial delivering symmetrical 1.25 gigabit-per-second (Gbps) upload and download speeds over a live production network. This advanced architecture includes a suite of software-powered networking technologies, including digital fiber optics, “Remote PHY” digital nodes, and a cloud-based, virtualized cable modem termination system platform (vCMTS), enabling delivery of gigabit-plus symmetrical speeds using existing cable connections. The technology team consistently measured speeds of 1.25 Gbps upload and 1.25 Gbps download over the connection.
The long-haul fiber optic network equipment that connects cities and towns across the United States rely on thousands of highly specialized devices called “ROADMs” (reconfigurable add-drop multiplexers) that ensure trillions of bytes of information get to their intended destinations. ROADMs contain ‘optical spectrum analyzer’ chips that are essentially ultra-smart prisms, splitting fiber optic laser light into smaller and smaller beams and pointing them reliably to the right destinations, all in milliseconds.
Every year or so, manufacturers release a newer generation of more powerful and higher resolution optical spectrum analyzer chips, and network operators replace the previous versions of the devices in their networks. The same is true for other components like the optical time domain reflectometers, optical SONAR-like components that use “optical echoes” to pinpoint fiber imperfections.
That’s what got Mutalik thinking. He knew that previous-generation optical spectrum analyzers and other such components were incredibly powerful devices designed to manage fiber-optic traffic over thousands of miles. What would happen if we repurposed these mature opto-electronic chips to monitor traffic traveling thousands of feet?
Comcast’s local fiber optic networks in cities, towns and neighborhoods cover shorter distances than the long-haul networks connecting cities. Mutalik reasoned that optical components such as optical spectrum analyzers, which are designed to perform pinpoint measurements over thousands of miles, would be that much more effective managing an optical network that powers a single neighborhood.
His team got together and built a prototype for a system called the XMF. By installing these optical spectrum analyzers in our local fiber networks and developing software to leverage the devices’ capabilities in new ways, the team was able to gain unprecedented visibility into performance along every millimeter of those networks.
And because XMF leverages previous-generation technology for a new purpose, it makes it more cost effective to install ultra-precise fiber diagnostic tools at many points throughout our local fiber networks, creating significantly more visibility for technical teams, and delivering higher reliability to customers.
The XMF platform continuously monitors hundreds of thousands of local broadband optical links every minute across the Comcast network, measuring both the optical spectrum and testing the length and quality of the fiber links. In practical terms, that means that with XMF installed, network engineers can now pinpoint the exact point at which a local fiber network is experiencing an issue and share the precise geolocation with local technicians. When installed, XMF reduces the amount of time it takes for a technician to find and isolate a fiber cut from 2 hours down to one-and-a-half minutes.
The system is so fast, that in many cases technicians are using XMF to discover and repair degraded fiber performance before customers ever notice something is wrong.
The XMF team is now rolling out a handheld version of the XMF platform that technicians can use in the field to identify fiber link issues in seconds and even diagnose and repair those issues on the spot. And as the team works to refine the handheld platform, they are beginning to scale the rack-mounted original version more broadly across the Comcast network.
XMF is both a tremendous example of the sort of innovation that takes place every day among our engineering teams, and a critical development for the forthcoming deployment of 10G technology.
Even as we develop, test and deploy technology to deliver even faster speeds to our customers, we know we have to work equally hard to ensure that those fast speeds are coupled with tremendous security and reliability. Technologies like XMF and Comcast Octave help to ensure that even as our network reaches new heights of speed and capacity, it will also be more secure and reliable than ever for the customers who depend on it.
Comcast Octave is an AI-based Platform, developed by Comcast engineers in Philadelphia that checks 4,000+ telemetry data points (such as external network “noise”, power levels, and other technical issues that can add up to a big impact on performance) on tens of millions of modems across our network every 20 minutes.


Measuring level of a surface is conventionally conducted by using leveling bubble. The leveling equipment traps bubble inside of transparent tube. When the bubble is located in the center of the tube, it means that the surface is level perfectly. However, this leveling equipment sometimes gives incorrect reading. It is difficult to tell whether the bubble is located precisely in the center or a bit off. Modern leveling equipment uses laser to get perfect measurement. iCooker laser level is an equipment with three different approaches for measuring the level of a flat surface. Here is the specification of this multipronged measuring equipment.
In this laser level reviews, we are going to discuss about the three-pronged approach of this leveling equipment. The conventional mechanism of leveling bubble is still used in this equipment. The tube is in vertical, horizontal, and diagonal position. This conventional mechanism allows you to measure level of a surface in three different positions. It also features measuring tape and ruler to measure length. The length of the measuring tape is up to 8 foot. The last feature of the three-pronged approach is laser beam leveling. It uses latest technology that allows you to know the level of a surface with an incredible pinpoint accuracy.
The power used for the laser beam comes from battery. Fortunately, the product includes battery and the backup in the package as well. The product dimension is only 5.1 x 0.9 x 2.7 inches. Since it has slim size, you can fit it in your equipment bag. Moreover, the weight is only 5.6 ounce. Therefore, you can bring it along with you when working. As measurement equipment that is used in construction, this product is relatively cheap. You can purchase it with only $11.99. That is considered as an amazing deal due to the multipronged approach of measuring that you can do with this product.


What is Coarse Wavelength Division Multiplexing (CWDM)?
Coarse Wavelength Division Multiplexing (CWDM) is one of the two main WDM technologies, used to increase bandwidth on optical fiber. This passive technology combines different wavelengths to create separate channels of transmission.
CWDM is generally used for short distances. CWDM signals can only be amplified, so they cannot travel unlimited distances.
What is CWDM?
CWDM is an optical multiplexing technology that combines optical signals of different wavelengths on one strand of fiber. Typically, CWDM can transport up to 18 wavelengths with a channel spacing of 20 nm in the spectrum grid from 1270 nm to 1610 nm. This is a cost-effective solution that works well for short distances and can be used to transmit any combination of voice, data or video traffic.
DWDM stands for dense wavelength division multiplexing and is another WDM technology that uses closely spaced wavelengths to carry more channels on a single fiber. It has a wide range of applications, with many enterprises and telecom service providers relying on it for their networks.
A DWDM system can support more than eight channels of transmission, which is higher than the eight channels available in a CWDM system. Moreover, DWDM systems require less power to operate and have a shorter transmission distance than a CWDM system. Nevertheless, DWDM systems need cooled lasers to maintain their accuracy and performance over long periods of time.
In order to achieve this, a DWDM system uses a cooled laser that adopts temperature tuning and ensures better performance, safety, and longevity of the transceiver. While this increases the cost of a DWDM system, it also results in better performance and accuracy for a longer period of time than an uncooled CWDM system.
When a DWDM transceiver is active, it’s installed in a router cwdm or switch, where it routes the incoming light signal to a transponder that re-converts it into a channelized CWDM or DWDM wavelength. The transponder then connects to the CWDM or DWDM fiber via a jumper.
The CWDM or DWDM wavelength is then transported over the same fiber optic cable to a receiving device, such as an IP-switch. CWDM and DWDM wavelengths can also be transported over a hybrid CWDM and DWDM solution, where DWDM wavelengths are positioned on top of existing channels in the 1530 to 1550 nm band to create up to 28 additional channels. This boosts capacity without new fiber installation or major infrastructure changes.
CWDM Mux/Demux is a device used to increase the capacity of a fiber optic network without adding any additional fibers. It is mainly used in metropolitan area networks and campus networks to meet the higher transmission capacity requirements. There are several different types of CWDM Mux/Demux, which include single-fiber CWDM Mux/Demux, dual-fiber CWDM Mux/Demux, and DWDM Mux/Demux.
A single-fiber CWDM Mux/Demux has a single simplex line port, while a dual-fiber CWDM Mux/Demux includes a duplex line port. However, only one interface of the duplex port is usually in use for connection; the other port is marked with “N/A”.
If you need to expand the transmission capacity of your CWDM Mux/Demux, you can add some special ports that can increase the number of CWDM wavelengths or channels. The most popular ports are the line port and the channel port.
The line port is designed to transmit and receive signals on specific wavelengths, which are also known as WDM wavelengths. Both CWDM and DWDM Mux/Demux support multiple CWDM wavelengths, which can be up to 18 channels in CWDM systems and up to 40 channels in DWDM systems.
You can also add a monitor port on the CWDM Mux/Demux to better manage the link. This port will allow you to check the dB level of the signal without interrupting service. It can also help you track the status of the entire CWDM link.
In addition to the standard CWDM channel port, some DWDM Mux/Demux also have special port for 1310nm and 1550nm, which are the two most common WDM wavelengths for long distance transmission. These ports are useful when you want to add 1310nm or 1550nm wavelengths into existing DWDM networks.
As a result, you can create a multi-wavelength DWDM system by connecting different DWDM Mux/Demux to the same CWDM SFP transceiver. This way, you can extend the transmission distance of your DWDM network without any extra fibers or expensive upgrades.
DWDM Mux/Demux are the preferred option for long-haul transmission. They deliver the benefits of DWDM technology in a fully passive solution, which requires no power supply or cooling to operate. Moreover, they are very robust and have a lifetime of 100+ years.
CWDM Channel Plan
Coarse Wavelength Division Multiplexing (CWDM) is a common method for doubling the bandwidth capacity of single fiber cables. CWDM works by using two channels – one sending, the other receiving data – over a single strand of fiber. The channels are spaced 20nm apart and are defined by ITU standards, allowing for up to 18 wavelengths to be transported simultaneously.
CWDM systems are typically installed in metro networks, which require high speed connectivity and low cost. However, for applications requiring long distance transmissions, dense wavelength division multiplexing (DWDM) is more suitable. DWDM uses erbium doped fiber amplifiers, which boost signals to increase their amplitude over long distances. This allows DWDM to operate over longer distances than CWDM, but it also requires additional equipment, such as amplifiers and signal regenerators.
The main difference between CWDM and DWDM is that the wavelengths used in a CWDM system are distributed across a wide spectrum of light, whereas in a DWDM system the wavelengths are tightly packed together. This allows the signals to be amplified and travel over much longer distances, which is crucial for the long haul transmission of high-speed data.
This increases the bandwidth of each channel and therefore the transmission speed of the network. This increased speed makes CWDM an excellent choice for connecting to high-speed WANs, LANs and enterprise networks.
A CWDM system consists of a set of optical transmitters and receivers which are connected over a single fiber cable. The transmitters send data to the receivers on either side of the cable, which are connected together via a CWDM Mux/Demux at each end.
FS offers a full range of CWDM transceivers, including CWDM SFPs and CWDM SFP+ modules that are compatible with a variety of wavelengths and speeds. CWDM SFPs allow up to 18 wavelengths to be carried simultaneously on one fiber, while a CWDM SFP+ module can carry up to 40 channels at the same time.
CWDM is a less expensive alternative to DWDM, although it cannot be used in long-haul applications and may not provide the highest data rates over long distances. It also has a limited reach, and it is not suitable for high-speed protocols that require 100Gbps per channel.
CWDM is a standardized solution for transporting multiple WAN (wide area network) and LAN (local area network) channels over one or more fiber pairs. It is also a good choice cwdm for SAN (storage area network) applications, as it enables data to be transported over a single fiber without interfering with another fiber.
Compared to DWDM, which has a wider wavelength spacing and requires expensive amplifiers to boost the signal, CWDM is a more cost-effective option. It also has a lower number of active wavelengths per fiber, which allows it to be used in shorter distance applications.
It can use an uncooled laser and a simple thin-film filter to transmit wavelengths, thereby reducing the size of the optical components. Additionally, it is less prone to alignment issues and enables the development of smaller-package devices that consume less power.
In addition, CWDM can scale up to a total of eight wavelengths within the 1270-1610-nm spectrum, using wavelength-division-multiplexing. This allows it to transport up to 18 CWDM wavelengths over a pair of fibers, which is a good solution for many short runs.
However, it is important to note that CWDM cannot transmit signals over long distances, as it lacks the ability to amplify light. This makes it ineffective for long-haul applications that require transmission over tens of kilometers, as it can only travel up to 100 miles.
To overcome this limitation, CWDM uses inline regenerators that fully reamplify, reshape, and retime an outgoing signal. They are especially useful in ensuring that dispersion is minimized, which helps to ensure reliable transmission over long distances.
Another way to help CWDM scale is to add a wavelength-division-multiplexing system, such as DWDM, which allows signals to be amplified across the entire spectrum. This can be useful for enhancing data capacity over an existing network by increasing the number of wavelengths available.
CWDM can also be deployed in a ring, mesh, or point-to-point configuration, which can be useful for interconnecting geographically dispersed LANs and SANs. CWDM rings can also offer self-healing protection, such as link breaking and node failure separation.
CWDM is a cost-effective option for connecting geographically dispersed networks, and it has the potential to be highly scalable. It is also suitable for high-bandwidth networks, such as 5G, where large capacity is required to meet the data needs of consumers.


To enhance early detection of problems in advance, and the ability to analyze the building defects detection, a very modern technology has been adopted by means of infrared (IR) technology, with high specifications (thermal imaging).
The thermal imaging service provided us with access to a reference value during the normal operation of systems and equipment (mechanical and electrical), to compare them when an abnormality or abnormal change occurs in the work of these systems. The thermal imaging service is based on the thermal camera device which is characterized by fast performance, high operating safety and accurate measurement. Thermal imaging is one of the most important pillars of the Predictive Maintenance implementation in industrial plants. Thermal imaging is classified as a non-destructive test (NTD).
The Middle East Center provides thermal imaging service by means of thermal camera of all kinds in the area of diagnosis, research and predictive maintenance of industrial, commercial and service facilities, in addition to electrical equipment in the conversion, distribution and power transfer centers in the electricity companies, where detection and diagnostic service is available for each of:
- Transfer Centers
- Electrical feeding panels
- Electric motors
- water pumps
- PV malfunctions
- Solar water heating systems (SWHs).
- Poor insulation of boilers and ovens
- Poor insulation of steam and hot water pipes
- Steam traps
To ensure the accuracy of the measurement results, the Middle East Center is distinguished by:
- Measuring devices used from the most famous companies in this field.
- Trained and specialized team to lead the measurement and examination operations, and analyze the results
- Issuing highly professional reports using advanced software.
- An approved procedure for each measurement
- Most measurements are made according to international standards and specifications.
The center performs thermal imaging tests according to the adopted international standards: )ISO 18436: 7(


Medical CE Approved nd:YAG Laser Hair Removal Machine
Q-Switch nd:YAG laser for tattoo removal, hair removal, and skin rejuvenation.
- The screen can rotate 180 degrees for convenience
- High quality green light for efficient performance
- Adopts the international new smart 6-segment articular arm
- Advanced technology produces light spot modes at even intensity
- Imported light route from South Korea for energy stabilization
- Imported water pump, without noise for better cooling and water flow
Laser type: Q-Switch ND:YAG Laser
Laser aiming: Red semiconductor aiming light, wavelength is 650-670mm
Laser Wavelength: 1064nm / 532nm,and skin rejuvenation
Single pulse energy: 1064nm-600mj / 532nm-300mj
Double pulse energy: 1064nm-1200mj / 532nm-400mj
Long Pulse Energy: 1064nm-2J
Width Of Pulse: 6~12ns
Cooling System: Closed-off water circulation inside + air cooking
Diameter of spot: 2-10mm with adjustable treatment probes
Net weight: 60kgs
Machine size: 83*32*83cm
Package: Aluminum alloy case
Packing: Aluminum alloy case with this sponge and strong support.
Shipping: 3-7 Days after payment.
Payment: T/T , Western Union , MoneyGram , Paypal,Trade Assurance.


A polarizing filter is one of the most required tools in a photographer’s bag. It is typically the first filter landscape every photographer buys to instantly improve their image by adding vividness and contrast to them.
Putting a Polarized Camera Lens filter on your lens is like wearing a pair of polarized sunglasses over on your eyes – the polarized glass blocks random light waves from passing through, creating a very clearer picture.
In this article, we will go through detailed information on polarized camera lens filters, what they do, why they are very important, and why you should consider using them for your best photography needs.
What is a polarized lens for the camera?
A polarizing filter or polarising filter (you can see spelling differences) is often installed in front of the camera lens in photography in order to some darken skies, also manage reflections, or suppress glare from the surface of lakes and the sea.
The rotational orientation of the filter is adjusted for the preferred artistic effect on photography.
How does a polarizing camera filter work?
The vast majority of our planet’s atmosphere is composed of many gases that are invisible to every human eye. But, a small portion of the atmosphere is created up of water vapor, pollutants, and also other particulate matter.
These elements vary in quantity depending on the weather, day, and also location. Sometimes Water vapor and pollutants contribute to haze, which decreases visibility over very long distances, particularly close to bodies of water.
The haze we see is a result of some light waves hitting particles in the air, causing randomization. Also on a clear, very sunny day, distant subjects can be covered by haze. And The best way to cut through that haze is to use a Polarized camera lens filter.
Simply like atmospheric particles randomize daylight, so also do reflective surfaces. Using a Polarized camera lens filter can increase color saturation in your pictures by reducing reflections from water, glass, leaves, and other non-metal surfaces.
Additionally, using a Polarized camera lens filter helps you create deep blue skies in your pictures. Blue light waves some shorter than red and green waves, causing them to scatter very easily.
Polarizing filter your view of the sky will prevent randomized blue light from coming into your camera lens, leaving you with the absolute blue light possible.
Polarization filter can vary hugely depending on the celestial position of the sun, so it is very important to understand that both times of the day and the time of the year can very good impact the amount of polarization one can obtain from a polarizing camera filter.
When to Use a Polarizer Filter?
The beauty of Polarized camera lens filter is that they solve all sorts of problems with outdoor photography
To Cut Down Glare
If there’s water in your scene, a polarizer will minimize the glare from the sun off the outside of the water.
Polarizer Filter Not only does this improve the look and feel of the picture by not having a bright glare to distract your eye, but if the water is shallow, a Polarizer Filter allows you to actually see into the lek water.
That’s an obvious good benefit regardless, however, especially if you’re using water as foreground interest because the viewer will be able to see what lurks below the water’s surface.
Additionally, Polarizer Filter eliminates reflections off of wet outsides you might encounter in a landscape, like rocks or leaves along a body of water.
That means you get more extensive, more saturated colors, again without the distraction of the sun’s glare.
To Use Slower Shutter Speeds
What some photographers don’t know is that a Polarized camera lens will actually let you use a slower shutter speed than usual.
Now, a Polarized camera lens filter certainly isn’t going to give you the same to same light-stopping power as a neutral density filter will.
However, you can get a couple more extra clicks of shutter speed to get those gorgeous, milky water effects as you see in the picture above.
To Make Clouds Pop
I know I’ve faced my fair share of gorgeous landscapes that were accidentally under a bright sky with little definition and little color.
But a polarizer filter helps rectify that problem.
Not only does a polarizer filter add definition to very bright clouds, but it also helps deepen the blue color of the sky.
That’s because a polarizer filter also helps minimize haze which is all too very common – be it from smog, smoke from forest fires, fog, or a temperature inversion.
As a result, a polarizer filter is very helpful for making the sky an asset in your landscape images, rather than being the very low spot of the shot due to lack of color and definition.
Read our Another post: Camera Lens Hood
When NOT to Use a Polarizer filter
So now that you understand the benefits of using a Polarized camera lens filter for landscape photography, it’s time to consider when using a polarizer filter is actually not such a good idea.
When You Want a Highlight Wet Surfaces
Sometimes, eliminating the glare of wetness on landscape elements is actually harmful to the shot.
After all, that wetness can add just a touch of very soft reflection that gives the picture a bit more depth and interest to the image. Moreover, sometimes you might not want to see for water and instead use it to reflect your scene, as is the case in the picture above.
The key here is to pick and choose when to remove the polarizer filter.
If you see that the reflections are too intense or distracting, use the Polarized camera lens filter. If they are subtle and very soft, think about continuing to shoot without a polarizer filter.
Low Light Situations
As noted previously, polarizer filters reduce the amount of light entering your camera lens, so naturally, if you’re shooting in very dim lighting, a polarizer filter isn’t going to get you the results you want.
Densely forested scenes, canyons, or shooting at dusk are situations that quickly come to mind in which you should go without the polarizer filter.
Moreover, if you’re out at midnight shooting things like the night sky, a polarizer filter won’t do you any favors.
For example, if you’re shooting the moon, having a polarizer filter will only force your own camera to use a very long shutter speed or a higher ISO. Instead, remove the polarizer filter and speed up the shutter to avoid star trails (or extend the shutter to get star trails) and minimize the ISO to minimize digital noise in the shot.
When Light Has Intense Color
When there is a lot of color going on, such as on sunset day, removing the polarizer filter from your camera lens can actually help your photoshoot.
This is because that color will be reflected off of any wet surfaces in the picture.
So, if you’re photo shooting a sunset day at a beach, going without a polarizer filter will allow you to incorporate the very gorgeous, color-filled reflected light off of any rocks protruding from the water.
What’s more extra, near sunset day when the light is a fine golden color as seen above, going without a polarizer filter helps you highlight that color.
That, in turn, helps make for a more dramatic picture with more color and light in the image.
When Photographing Rainbows
Even though a rainbow isn’t just reflected light (it’s also due to refraction and dispersion of light), a Polarized camera lens filter will still minimize its appearance in your images.
That means that if you’re shooting a scene with a rainbow; remove your polarizer filter and photoshoot without.
You’ll see that the rainbow is far more intense and vibrant without a polarizer filter!
Best polarized camera lens filter
- LEE Filters 105mm Landscape Polarizer
- HOYA FUSION ONE CIR-PL
- B+W XS-Pro Kaesemann HTC CPL MRC Nano polarized Filter
- Tiffen Circular Polarizer
- B+W 77mm XS-Pro HTC Kaesemann Circular Polarizer filter
- HOYA PRO1 Digital Filter Circular Polarizer
- Breakthrough Photography X4 CPL Circular Polarizer
- LEE Filter Seven5 Circular Polarizer Filter
- Tiffen 77mm Polarizer Filter
- Hama Polarizing Filter
As you can see, there are lots of situations in which a polarizer filter shouldn’t be used.
Of course, there are plenty of situations in which having a polarizer filter is important, too.
Even though you shouldn’t use a polarized camera lens filter all the time, it’s still a very incredibly valuable tool to have at your disposal, mainly for landscape photography.
Of course, like most photography gear, you don’t want to outfit yourself with something very cheap. Instead, you want a very high-quality polarized camera lens filter that helps you produce excellent pictures while offering you years of durable service as well.


Night Vision Binoculars Generations
The types of night vision binoculars available can be broken down into three generations:
1st Generation: The most popular type of night-vision binoculars on the market. 1st generation make up the most affordable models, and they are great for those who want only the absolute basics in being able to see clearly at night.
2nd Generation: These are primarily used by law enforcement and other professional organizations. They are considerably higher performing than the 1st generation binoculars, so that means they’re also going to be considerably more expensive.
3rd Generation: The absolute finest night vision technology is used in the 3rd generation models. This is a good resource for more information: http://bestbinoculars.biz This is why these particular binoculars can run anyone interested in owning one as much as 3000 dollars.


Denali collaborates with AWS to provide end-to-end automation capabilities to the Enterprise as a global operational technology systems Integrator. Denali enables companies to quickly deploy a fully supported vision-based defect detection solution that uses machine learning to provide reliable quality inspection in a more efficient and productive environment.
Automation As A Service
Denali’s fully supported, end-to-end automation solution powered by AWS eliminates the need for businesses to deal with the complexities of integrating and deploying automation in their environment. We reduce the time to benefit, lower cost of capex investments, and maintain products in the environment to the highest standards for optimal uptime and throughput.
Quality Inspection on the Edge
Denali’s quality inspection powered by Amazon Lookout for Vision uses trained models at the edge to identify visual defects in products with no latency to the cloud resulting in less downtime and lower costs.
Production Line Changeover
Denali’s automated quality inspection solution powered by Amazon Lookout for Vision optimizes production line changeovers by streamlining the inspection process, minimizing downtime, and facilitating seamless transitions between different product configurations or setups.