April 5, 2022
Digital video camera is a video recording device that is based on digital instead of analog representations of the video signal. Commonly, digital video recording is done on tape which is then distributed on optical discs such as a Digital Video Disc or DVD. The exceptions are camcorders, where the ..
March 31, 2022
The digital camera is completely different to a conventional camera that focuses light onto a roll of film and then depends on the use of chemicals for processing. The digital camera does focus light, but it is focused onto a complimentary metal oxide semiconductor (CMOS) - or a charge coupled devic..


The Laser Landscape Light combines laser and holographic optical elements to produce stunning lighting effects you must see to believe. Simply point the fixture toward trees or bushes to watch your outdoor landscape come alive with thousands of twinkling lights. The fixture comes in a beautiful bronze finish, is easy to install, and is weather-resistant.
- Bronze finish.
- Two built-in precision glass lenses.
- Consumes just 10 watts.
- Easy to install.
- One light covers up to 625 square feet. Each foot of throw yields 2 1/2 feet of coverage.
- 4 1/2″ wide.
- 3 3/4″ high.
- 14 1/4″ long.


Lucent Ultra comes packed with 260 premium lens flares filmed on Zeiss Ultra Prime and Master Prime lenses. Harnessing Zeiss’ crisp, clean aesthetic, this collection is designed to give any video a bright and vibrant hit.
Shot on lenses ranging from 10mm all the way to 135mm, Lucent Ultra is an authentic alternative to lens flare plugins.
Add vibrance to any project from wedding videos to travel vlogs and beyond.
Simply drag-and-drop each lens flare directly onto your timeline.
Ultra was shot with 15 Zeiss Ultra Prime and Master Prime lenses - from 10mm to 135mm.
Edit color and speed to get your lens flares just right.
You’ll be a lens flare pro in no time with Lucent Ultra’s comprehensive video tutorial. We’ll take you from initial setup to customization, all the way to the final product.


So remember to look up at the stars and not down at your feet. Try to make sense of what you see and hold on that childlike wonder about what makes the universe exist.Stephen Hawking
Welcome to the home of Single-Photon Workshop 2019, which will be held at Politecnico di Milano, Milan (Italy). SPW 2019 is the nineth and latest installment in a series of workshops on single-photon technologies and applications. Single-photon technologies are vital to applications such as quantum cryptography, quantum information processing, quantum imaging, and quantum metrology. Fields such as astrophysics, nuclear physics, and biology also benefit from developments in single-photon technologies.
SPW 2019 is intended to bring together a broad range of people with interests in single-photon sources, single-photon detectors, photon entanglement, and their incorporation into scientific and industrial tools. Researchers from universities, industry, and government will report on the latest developments in single-photon devices and methods with a view toward improved performance and new application areas. It will be an exciting opportunity for those interested in single-photon technologies to learn about the state of the art and to foster continuing partnerships with others seeking to advance the capabilities of such technologies.
Latest results on single-photon detectors, including new architectures and solutions to broadly achieve single-photon sensitivity.
• Single-photon avalanche diodes (SPADs and SiPM).
• Superconducting single photon detectors.
• Single photon detector arrays
• Photon-number-resolving detectors.
• Integrated single photon detectors.
• Novel single photon detectors.
Generate and control light emission at single photon level: materials, schemes and architectures.
• Spontaneous parametric down-conversion and four-wave-mixing.
• NV centers.
• Quantum dots.
• On-demand single-photon sources.
• Integrated single-photon sources.
• Entangled photon-pair sources.
• Generation, collection and manipulation of non classical states of light with discrete photon numbers.
Single photon technologies for scientific applications, from ground to space.
• Quantum communications and security.
• Optical quantum-state generation and photon manipulation.
• Quantum correlation and entanglement.
• Quantum computing.
• Quantum random number generators.
• Integrated quantum photonics.
• Imaging and ranging (LIDAR).
Validation techniques and instrumentation to prove single-photon generation and acquisition.
• Methods for characterizing single-photon detectors and sources.
• Quantum sensing.
• Weak measurements.
• Novel measurement schemes.


Controlling a Line of Sight Angle of an Imaging Platform
18 Aug 22
Systems and methods of capturing imagery are provided.
M. Dirk Robinson, Jonathan Dyer, Joshua Levine, Brendan Hermalyn, Ronny Votel, Matt William Messana
Filed: 5 May 22
Systems and methods for implementing time delay integration imaging techniques in conjunction with distinct imaging regions on a monolithic charge-coupled device image sensor
12 Jul 22
Systems and methods in accordance with embodiments of the invention implement TDI imaging techniques in conjunction with monolithic CCD image sensors having multiple distinct imaging regions, where TDI imaging techniques can be separately implemented with respect to each distinct imaging region.
Ignacio Zuleta, Adam Fritzler
Filed: 15 Mar 21
Patents are sorted by USPTO publication date, most recent first


According to study reported in the Journal of the American Chemical Society, a team of researchers working on surface-enhanced Raman spectroscopy (SERS) developed a nanoruler to throw light on the longitudinal plasmonic fields in nanocavities.
SERS is a very effective and sensitive spectrum analysis method that may be used in a variety of disciplines. SERS generates a greatly amplified Raman signal of up to 1010-15, allowing the investigation of single molecules, in contrast to weak Raman scattering.
“To a considerable extent, how we develop the technology hinges on our understanding of plasmonic fields. In the experiments, we saw that the plasmonic field at the nanoscale was distributed unevenly. However, it is not supported by theory or experiment.
Yang declared that “strong instruments are required.” Yang and his colleagues had to devise a method of measuring plasmonic field exploration from the outset of the investigation. So, in order to examine it with great spatial resolution, we created and made the nanoruler.
A plasmonic nanocavity was created by mixing ultra-smooth gold sheets and single gold nanoparticles to create a novel nanoruler with a spatial resolution of roughly 7 x 10–10 m.
They also created the spacer layer, a unique and ground-breaking five-layer two-dimensional atomic crystal structure, in which they placed a monolayer of WS2 as a SERS probe and the remaining four layers of WS2 as reference layers.
This unique design produced a strong enough quantitative SERS intensity to directly and quantitatively determine the distribution of the longitudinal plasmonic field.
The researchers extended and confirmed their findings with theoretical derivations, computations, and spectrum measurements in addition to manufacturing and direct experimentation. Their findings demonstrate the uneven distribution and unexpectedly substantial intensity gradient of the longitudinal plasmonic field within a single nanocavity.


Eye Surgical treatment
Eye Surgery has actually ended up being a mainstream technique of vision correction, and also this post will describe the benefits and negative aspects of three different techniques being supplied to the clinical customer.
Lasik Eye Surgery
LASIK is the phrase for Laser-Assisted Sitting Keratomileusis and also is an eye medical system which completely fixes vision by eliminating a slim layer of the cornea. This treatment functions best on people with modest to high levels of myopia (nearsightedness), low to moderate degrees of hyperopia (farsightedness) and also astigmatism associated with myopia, and that have thick corneas. It is one of the most widely known medical vision adjustment technique.
People with normal eye view see things plainly due to the fact that images are brought right into an appropriate prime focus by the cornea as well as lens of the eye. Preferably, the cornea's curvature is uniformly matched to its length in a regular eye. Individuals with astigmatism, nearsightedness or hyperopia have irregularly shaped corneas, so the objects seen are not concentrated correctly. LASIK modifications corneal form by accurate removal of corneal tissue, and by doing so corrects the eyes' concentrating power.
There are, nevertheless, dangers to LASIK eye surgery.
There is a remote chance of complete loss of vision. If this takes place, it is normally since the client had a pre-existing problem which needs to have precluded the surgical treatment to begin with, such as pregnancy, cataracts, arthritis, diabetes mellitus, glaucoma, or lupus. Individuals with large pupils are likewise poor prospects for LASIK. Dry eye syndrome will certainly be worsened by this treatment.
A couple of people grumble that they permanently see "ghost" images, have blurred vision, lessened contrast and also poor night vision. When LASIK wased initially presented, 5% of patients had post-operative grievances; nonetheless, refinements in the treatment have actually triggered this price to go down to less compared to 1% if LASIK is performed by proficient professionals and clients are effectively evaluated prior to surgical procedure. If troubles do take place, they could commonly be resoved by a retreatment.
FDA has actually authorized LASIK laser eye surgical treatment since 1998. While there are a lot of satisfied people, there are however no long term research studies concerning its effects. Understand the constraints and the risks of LASIK eye surgery prior to you sigh up for the procedure.
Though less well known, these tiny implants can enhance vision in clients with moderate to modest myopia without the danger of permanent eye damages inherent in the tissue elimination method of LASIK. Intacs are semi-circular disks dental implanted in the cornea which extend it to presume a flatter shape. Though a little less accurate than LASIK, they are removeable and exchangeable, so if the individual has an unexpected over- or under-correction, the dental implant could be eliminated and also another of a various size placed to acquire the preferred adjustment. The implants lie at the edge of the cornea, so the central visual area is entirely intact and also undamaged, and the stamina of the cornea is undiminished, making it a much better choice for pilots as their explanation well as those that engage in contact sporting activities where eye injury is an opportunity.
Intacs disagree for serious nearsightedness and greater than small astigmatism (1.00 diopters), as the cornea can just be stretched thus far. If the Intacs are eliminated, vision go back to its preoperative degree. In addition to vision improvement, Intacs are also made use of to treat keratoconus.
Intacs are FDA accepted and also One Decade researches have disclosed no significant problems with Intacs and also few client problems; nevertheless, since the treatment takes a lot more training than LASIK, there are fewer eye surgical procedure facilities offering it. Nonetheless, the Intacs internet site gives a checklist of professionals in each state, also more info here a few in Canada, Europe as well as Mexico.
Since lots of people do not wish to run the risk of LASIK as well as Intacs can not aid those with extreme vision issues, intraocular lens implants (IOL) are a brand-new alternative authorized by the FDA in 2004 to remedy moderate to serious nearsightedness. The Artisan lens, made by Ophtec, is similar to the kind of lens implant made use of to bring back vision complying with cataract eye surgical procedure.
The brand-new IOL, called the Artisan, is planned for only individuals who have 2.5 diopters or much less of astigmatism.
The man-made lens does not replace the natural lens, yet is placed in front of it. The major problem found with the dental implant was the constant loss of endothelial cells in the corneas of people who obtained the implants. The endothelium is a layer of cells that line the undersurface of the cornea as well as are important in maintaining the cornea clear. A three-year research study showed a continuous steady loss of endothelial cells of 1.8 percent a year. Now, no person can predict whether this loss will certainly proceed at the very same price indefinitely, or perhaps its effect on corneal feature.
To reduce long-lasting impacts of the tool on the corneal endothelium, the FDA is needing that the brand-new lenses be identified to specify that they need to just be dental implanted in clients whose corneal endothelial cells are thick sufficient to withstand minor cell loss.
Extra significant difficulties were couple of: retinal detachment (0.6%), cataract advancement (0.6%), as well as corneal swelling (0.4%). The FDA is requiring Ophtec to perform a five-year follow-up study of its implant clients to better examine the post-surgical incidence of cataract development, retinal detachment and also various other ocular diseases.
The Craftsmen lens is intended to be a long-term implant.Though it can be gotten rid of surgically, vision could not constantly go back to exactly what it was prior to obtaining the lens. Since it does not affect astigmatism, patients with this problem might still call for glasses.


Electronic Metal Halide
The lighting industry continues to develop new technologies that are more cost efficient, offer better operating efficiency and improved lighting characteristics. Electronic metal halide ballasts are the latest innovations in the evolution of High Intensity Discharge (HID) technology that deliver those benefits. Electronic metal halide ballasts offer many advantages over traditional metal halide "coil and core" ballasts. The biggest advantage of electronic metal halide ballast is the operating efficiency. Electronic metal halide ballast will reduce energy consumption up to 25% over traditional metal halide technologies. Secondly electronic metal halide ballasts significantly reduce installation cost. Traditional metal halide ballast typically consist of a core and coil, ignitor and capacitor that must be wired together while an electronic metal halide comes fully integrated in a single unit with a small footprint. Electronic metal halide ballasts also have also implemented a number of very advance features such as resonance start technology and crest factor control that extend lamp life and provide improved color uniformity. While the product cost of the electronic metal halide ballast are more expensive than traditional metal halide ballasts, costs have been rapidly declining. When reduction in installation cost and operating cost are considered, electronic metal halide ballasts are often a better choice in many installations especially in the 20 watt to 175 watt range. iBallast.com is proud to offer the best manufacturers in electronic metal halide ballasts to our customers.


Cobiz Kids Binoculars, 10×25 Outdoor Binoculars for Kids, Folding Spotting Telescope for Bird Watching, Camping and Hunting for Boys,Girls (White)
Your search for the best binoculars for your kids is over. this light weight and powerful Binocular is perfect for a child who wishes to observe nature closely, but without disturbing it. They are perfect for all outdoors activities and observing distant objects clearly. They are highly adjustable with a central focus and right dioptre for accurate focus and clear viewing. The folding eye piece is suitable for spectacles too. these binoculars are a perfect gift for a child. When you order these binoculars you get a free neck strap and lens cleaning cloth. buy now and make a child happy!


However, in general, a laser light combo refers to a device that combines a laser sight and a flashlight into a single unit. This type of device is commonly used on firearms for tactical purposes, providing both illumination and a laser aiming point.
Typically, a laser light combo consists of a flashlight module and a laser module housed together in a compact housing.
The Odin GL Tactical Flashlight from olighstore.com provides a bright beam of light for illumination in low-light conditions, while the laser module emits a laser beam that can be used for aiming or targeting. The laser can be either a visible red or green laser or an infrared laser that is only visible with night vision equipment.
The activation and control of the laser light combo depend on the specific design and features of the device. It may have different modes and settings, such as constant-on, momentary-on, strobe, or different laser patterns. Some models may also offer adjustable brightness levels or adjustable laser windage and elevation.
Here are some additional details about laser light combos and how they typically work:
Design and Construction
Laser light combos of Odin GL Tactical Flashlight are designed to be compact and lightweight, allowing them to be easily mounted on firearms, typically on accessory rails such as Picatinny or Weaver rails. They are built to withstand recoil and harsh environments, often featuring durable materials like aluminum or polymer construction.
Laser Aiming Module
The laser module in a laser light combo emits a focused beam of light in a specific wavelength, usually red or green. The laser is aligned with the bore of the firearm, providing an aiming point or dot that helps improve accuracy and target acquisition. The laser may have adjustable windage and elevation settings to fine-tune its alignment with the firearm’s sights.
The flashlight module in a laser light combo provides illumination for low-light situations. It typically features high-intensity LEDs (Light Emitting Diodes) that produce a bright, focused beam of light. The flashlight can have different output modes, such as high, low, strobe, or even adjustable brightness levels. Some models may also include a bezel that can be used for striking or self-defense purposes.
Activation and Controls
Laser light combos generally have user-friendly controls that allow for easy activation and adjustment of different modes. They may feature ambidextrous switches or buttons, allowing users to operate the device comfortably with either hand.
The activation method of Odin GL Tactical Flashlight can vary, including push-button switches, toggle switches, or pressure pads that can be mounted near the firearm’s grip for convenient activation. The runtime of the device will depend on the power source and the intensity of usage.
When using a laser light combo of Odin GL Tactical Flashlight, it is crucial to follow safety guidelines. Always treat the laser beam with care and avoid shining it into anyone’s eyes, as it can cause eye damage or temporary blindness. Additionally, it’s important to familiarize yourself with local regulations regarding the use of laser devices, as some jurisdictions may have restrictions on their use.
Laser light combos are designed to be easily mounted on firearms. They typically feature a quick-detach or Picatinny/Weaver rail mount, which allows for swift attachment and removal from the firearm. Laser light combos are specifically designed for mounting on firearms. They often utilize mounting systems like Picatinny or M-Lok rails to attach securely to the weapon. This ensures that the combo remains in place during recoil and maintains alignment with the firearm’s bore.
Laser light combos of Odin GL Tactical Flashlight often provide mechanisms for adjusting the laser’s point of impact. These adjustments allow you to align the laser beam with your firearm’s sights or optics. Windage adjustment controls the horizontal alignment, while elevation adjustment controls the vertical alignment. These adjustments help ensure that the laser’s aiming point accurately corresponds with the bullet’s trajectory.
Light Output and Modes
Flashlight modules in laser light combos can offer various light output levels and modes to suit different situations. Higher-end models may feature multiple brightness levels, allowing you to choose the appropriate amount of illumination for the environment.
Flashlight Function: The flashlight component of a laser light combo operates similarly to a standalone flashlight. It utilizes LED technology to produce a bright and focused beam of light. The flashlight can be turned on and off using the appropriate controls, often found on the body or tail cap of the device.
Laser Sight Function: Laser sights emit a highly focused beam of laser light, typically red or green, which serves as an aiming aid. The laser sight component of the combo module allows for quick and precise target acquisition. The laser beam can be adjusted for windage and elevation to align with the firearm’s point of impact. Different models may have various activation methods, such as momentary or constant-on switches located on the body or grip of the unit. Some laser light combos also offer different modes, like strobe or pulsating laser beams, for specific tactical applications.
Power Source: The combo unit is powered by batteries, typically CR123A or rechargeable equivalents. These batteries provide the necessary power to both the flashlight and laser components. The specific battery type and configuration may vary depending on the manufacturer and model.
It’s important to note that the features and functionality of laser light combos can vary between different manufacturers and models. Therefore, it’s always recommended to consult the specific product’s documentation or contact the manufacturer for accurate and up-to-date information regarding the Odin GL Tactical Flashlight or any other laser light combo you may be referring to.
Remember, the information provided here is based on general knowledge about laser light combos. If you have a specific model or brand like the Odin GL Tactical Flashlight, referring to the manufacturer’s documentation or contacting them directly will provide the most accurate and detailed information on how that particular product functions.


Vivitek DW882ST Short Throw Projector (NEW)
The DW882ST is designed to cater for the education needs. The DW882ST delivers a 88” diagonal image from less than 1 meter installation distance from the surface. With a brightness of 3,600 ANSI Lumens and contrast ratio of 15,000:1 it delivers a perfect image display.
The Vivitek DW832 delivers exceptional digital images with a high degree of vibrancy thanks to 5,000 ANSI lumens of brightness and a contrast ratio of 15,000:1. ... The DW832 features HDMI/MHL and various connectivity options to fully enjoy multimedia applications of any kind


🚚 FREE SHIPPING WORLDWIDE!!!
Night Vision Telescope Binocular Monocular 40X60 Dual Focus Telescopio Green Film Binoculo Optical Prism Hunting High Quality Tourism Scope
$3.40 – $23.00
1. Do not attempt to clean the telescope inside or try to remove the telescope
2. Do not use the telescope to observe the sun directly, this will cause permanent damage to the eyes
Multiplier: 40X (actual multiple of 10 times)
Exit pupil diameter: 5MM
Near focus distance: 1.5M
Objective: 60MM (with edge)
Field of view: 1500M /9500M
Prism material: BAK4
Prism system: roof prism
Coating: upgraded version of high-definition green film
Focusing mode: eyepiece adjustment
Net weight: 300G
Waterproof anti-fog: life waterproof (do not support diving)
– This product have dual focus capability ( front and back adjustable zoom ).
– This monocular offers a 40x magnification and a 60mm objective diameter.
– The fully coated optics, meanwhile, guarantee superior light transmission and brightness, helping you see just about any target, whether youre searching for birds or trying to get a better view of the stage.
– Non-slip grip.
– Single hand operation.
– With a wrist strap on the monocular.
– Powerful, ultra-compact and ultra-lightweight.
– Field of view: 22 degree.
This 40 x 60 Dual Focus Zoom Optic Lens Monocular Telescope, helping you see just about any target, whether you are searching for birds, hunting, climbing, trying to get a better view of the stage or even at your favorite team sporting event.
1 x 40x 60 Dual Focus Zoom Optic Lens Monocular Telescope
1 x Pouch
1 x Lens Cloth
1 x Bilingual User Manual in English and Chinese
They should explain if it was a night vision or not
Tetszik. Szuper. We like it!


WebGL shading: diffuse vs. specular
Above you see images of a decorative relief. Move the mouse cursor around: it controls the position of a light source. The relief on the left appears matte, while the relief on the right appears shiny.
The difference is in the shading model. Here are the key lines of the diffuse and specular models:
// Diffuse vec4 to_light_dir = normalize(light_pos-surface_pos); float intensity = dot(normal, to_light_dir);
// Specular vec4 from_light_dir = normalize(surface_pos-light_pos); vec4 reflection_dir = reflect(from_light_dir, normal); vec4 camera_dir = normalize(vec4(0.0, 0.0, 1.0, 0.0)); float intensity = dot(reflection_dir, camera_dir);
Both models use the surface normal and the light position to calculate the light intensity at a point on the surface. In the diffuse model, a point is lit to the extent that it faces the light source. In the specular model, a point is lit to the extent that it reflects the light source towards the camera.
The specular model uses the built-in function
vec4 reflect(vec4 I, vec4 N),
which reflects a vector across the normal of a surface.
It then uses the dot product to compare this reflection with the camera direction.
I don’t know what the formal name is for this shading model!
Tagged . All content copyright James Fisher 2017. This post is not associated with my employer.


While the phone may never see a commercial launch, there is a possibility that the technology will reach other phones in the company. The OnePlus Concept One smartphone that was exhibited at CES had an extravagant orange color.
At CES 2020 in Las Vegas, earlier this month, OnePlus introduced its OnePlus Concept One smartphone with exclusive technology that hides the camera module on the smartphone. While the phone may never see a commercial launch, there is a possibility that the technology will reach other phones in the company.
The company has now shared a completely black prototype of the OnePlus Concept One smartphone and it looks as or more impressive than the version shown initially.
The design of this smartphone prototype is almost the same as that presented earlier this month. The only difference is the choice of color. The model presented is orange, it comes in classic black.
The company also says it plans to use the leather back cover design for its future phones.
Kevin Tao of OnePlus responsible for the design team also says that the use of leather on any future device will be done using “environmentally friendly” materials.
The OnePlus Concept One has a triple vertical camera system, carefully folded under an electrochromic glass. When current is applied to the glass, it can quickly change from opaque to transparent. This special type of glass is used for the panoramic roof of some luxury cars, aircraft windows and also for buildings.
The triple chamber configuration remains invisible under the electrochromic glass. However, when the camera is turned on, the sensors are instantly visible. When the camera application is closed, the triple chambers become invisible again. The company says it only takes 0.7 seconds for the glass to change from transparent to opaque or vice versa.
In addition, the glass can also become semi-transparent and can act as a neutral density filter that can assist in capturing better photos in bright sunlight. It consists of two 0.1 mm glass panels, including organic material. The combined thickness of both glasses is only 0.35 mm and uses minimal amounts of energy to operate.


Best Binoculars In India – Buying Guide
A pair of binoculars is a must-have for all the adventure junkies who love taking part in the activities such as hiking, trekking, bird-watching, jungle safaris, and what not! Various kinds of binoculars could be explored throughout the market and you may pick the best one by considering some of the important points that would help you make the best choice.
We have listed down an easy buying guide of the best binoculars in India. You will never go wrong in shopping for your pair of binoculars after considering the following factors:
- Check the magnification range
Your prime consideration while buying a pair of binoculars would be its range of magnification. The sole purpose of buying this object is to take a better view of the things that are far from your eyes.
Experts usually recommend buying a binocular with a standard construction of 10x magnification. The range shall extend somewhere between 7x and 10x respectively. Anything beyond that might demand a tripod.
Consider the quality and coating of the lens
The quality and coating of the lens are other considerations to observe while buying binoculars. A good-quality coating on the lens would reduce the reflection of light.
The quality of the lens further makes sure that you could view an aberration-free image without dull colors. A good-quality and good coating of the lens may as well give you a better view in dull lights.
Field of view of the binoculars
Field of view refers to the amount of the picture present in front of you that is visible when you use your binoculars. The field of view or FoV of your binoculars should range between 12 and 10 degrees to provide a better view. This factor further depends upon the overall construction of the device.
A waterproof binocular for long-term use
Many people might oversee this consideration; however, the waterproof construction of your pair of binoculars enables you to use it for the long-term. You must consider this factor especially when you carry your binoculars outdoor too often.
You will find the best waterproofing technology in the high-end models of binoculars. Even when your pair of binoculars is sunken in water for long hours, it would pose no harm to your device. Alongside this, check if your binoculars are fog-proof as well.
Buy a lightweight binocular
Your binocular shouldn’t be too heavy to make it difficult for you to carry them from place to place. The weight of your pair of binoculars depends upon many factors such as the size of the lens, construction of the object, its roof type, etc. A lightweight and compact pair of binoculars should be a go-to option for all the people who want to use them with bare hands. Having said that, the binoculars shouldn’t cause a strain on your eyes such that you could use them for long hours.
If you are a frequent user of binoculars, it is suggested not to cut corners and look for some high-end models as such models are full of advanced features. You may as well look for the best leads of binoculars at the online platforms.
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Senior Fibre Optic Cabling Technician -DRC
Progressive InternationalSouth Africa
Exciting role for a high level senior Fibre Optic Cabling technician Senior Fibre optic Cabling Technician The purpose of this position is: The installation of copper (Cat3, Cat5e and Cat6) cabling, fibre optic network cabling and installation and planning of network cabling infrastructure. The key duties and responsibilities of this position are: Planning of network cabling installations. Compiling of material lists. Install and terminate copper (STP & UTP, Cat 6) network cables. Installation …...apply now!


A very bright bar or helmet mounted light.
- 1000lm 1x Cree LED Headlight
- Lightweight aircraft alloy CNC head light body
- Four light modes: 100%, 50%, 25% and flashing
- Up to 10hr run time: 100% – 2.5hr, 50% – 5hr, 25% – 10hr, Flashing – 10hr
- Bar and helmet mount included


- 1 Storz 264305-20 S/N GE261124-P
- 1 Storz Image 1 HUB 222020-S/NGE261124-P
- 1 Storz Light Source 20133120 S/N GE616126
- 1 Storz AIDA 202056-20 S/N NY6001532-T
- 1 Sony Printer S/N 90491
- 1 Storz Wide view monitor S/N 114658
- 1 Storz 20090331 S/N GOOD
- 1 Storz 22220H61 Camera Head S/NRYR002849-K
- 1 Storz 22220140 Camera Head S/N CE626379-H
General description The Image 1 CCU is a revolutionary endoscopic camera control unit for use with, single, three chip and HDImage 1 camera heads. It provides many state-of-the-art features, including:
- Camera features and functions can be programmed for access via the camera head buttons
- Reprogrammable circuitry to allow the CCU to reprogram its settings (based on the camera head in use) for an optimal image
- All-digital circuitry for increased image accuracy, less noise in the image, and no image degradation from camera head to output device
- Digital image enhancement and fiberoptic endoscope filtering capabilities to increase the level of contrast and definition of the image
- Options for exposure control, including patented automatic exposure system.
- High Definition still image capture and Standard Definition still image and video capture.
A keyboard may be included with the Image 1 CCU to access camera functions and set displays such as time/date and patient information. The Image 1 CCU incorporates the KarlStorz Communication Bus (SCB)system for integration into a complete operating room system. The SCB system allows communication between the Karl Storz devices connected to the system. From this communication, parameters of the SCB devices can be displayed centrally.
*Sold as a package


Compact and low cost Fourier Transform InfraRed (FT-IR) spectral sensors. They deliver the spectral response of the light absorbed by materials for quantification, qualification or identification.
Providing world class high tech sales and services since 1976. IRIWest brings leading edge technology to market from semiconductors, passive components, electro-mechanical and interconnect, to fully loaded embedded systems. Our partners are best-in-class and our service is second to none. We are the leading source for your design needs.
Proud members of:


The advantage of LED headlight bulb
There has actually been an appeal of LED light that used in automobile front lights bulbs. This is why many supplier as well as automobile owners has the tendency to change their factory light bulbs or halogen light bulbs into led bulbs. Right here are some reasons you ought to overtake this pattern with the LED headlights benefits.
1. Energy performance: The LED-based systems brings about the significant power savings for LED bulbs. LED fronts lights are developed with greater toughness and also efficiency when compared with halogen bulbs or the manufacturing facility light bulbs. They can usually eat really reduced amounts of power. The majority of LED lights retrofit remedies made a 60-75% improvement in the general energy efficiency. for the reduced power usage, the financial savings can be greater than 90%.
2. Lengthy lifespan: The substantial benefits of LED is its long lifespan. LED bulbs have a life expectancy of 15,000 hours optimum. Due to the fact that it is 2-4 times as long as most fluorescent light. It is more than 40 times as long as the ordinary incandescent bulb.
3. Brightness: LED light bulbs are brighter compared to halogen bulbs. LED fronts lights could create a crisp, tidy, bright white light when driving at evening. LED bulbs can produce a greater lighting from each watt of electricity. Due to the fact that it does not have filaments, this permits LED bulbs to shed cooler than incandescent bulbs, the unneeded warm would not be produced.
When it involves LED light innovation, it is increasingly more generally made use of in the automotive lighting illumination in the led car light manufacturer.


Zetasizer Nano ZS
The world’s most widely used particle analyzer!
The Zetasizer Nano ZS is a high performance two angle, particle size, zeta potential and molecular weight analyzer. Ideal for the measurement of small volume samples, samples at very low or high concentration and the detection of aggregates. Using Non-Invasive Backscatter optics (NIBS) it has significantly better performance than systems using 90° scattering optics.
How is size measured for nanoparticles?
Dynamic Light Scattering (DLS) is used to measure particle size. This technique measures the diffusion of particles moving under Brownian motion, and converts this to size and a size distribution using the Stokes-Einstein relationship. Non-Invasive Back Scatter technology (NIBS) is incorporated to give the highest sensitivity simultaneously with the highest size and concentration range. Automated positioning within the measurement cell provides accurate results for both dilute and concentrated samples.
How is zeta potential measured?
Laser Doppler Micro-electrophoresis is used to measure zeta potential. An electric field is applied to a solution of molecules or a dispersion of particles, which then move with a velocity related to their zeta potential. This velocity is measured using a patented laser interferometric technique called M3-PALS (Phase analysis Light Scattering). This enables the calculation of electrophoretic mobility and from this the zeta potential and zeta potential distribution.
- Measures particles ranging from 0.3 to 10,000 nanometers
- Ability to measure wide concentration range – ppb to 40% concentration
- Zeta potential measurement range: -500 to + 500 mv
- Molecular weight range: 980Da to 20 MDa
Do you have a lot of samples? We can offer you a good deal!
- Pay for 40 samples in advance and take credit for 50 samples (20% discount)
- Pay for 100 samples in advance and take credit for 135 samples (35% discount)


Designed for work as part various-purpose fast response laser meters in the optical heterodyning mode.
Designed to work in the band of 0.9-1.7 μm.
The photodiode is designed to detect radiation in 0.8-1.6 μm spectral band.
Designed to detect pulse optical radiation within the wavelength band of 1.0-1.6 μm.
Designed to work as part of laser rangefinders to receive pulsed radiation, generates output pulses in transistor-transistor logic (TTL).


Nokia has recently launched their 41 Mega pixel camera in Mobile World Congress and this time they have stunned every one with their 41 Mega pixel senor camera with best Carl Zeiss and Nokia algorithm. This is the first time Nokia is coming with Nokia pure view imaging technology. Now when we talk about features of Nokia 808 pure view, it comes with 1.3 gHz single core chip, 512 MB RAM, 16 GB internal memory storage and this is expandable via SD card. It also comes with date speed of HSPA 14.4 MBPS, it comes with 16:9 aspect ratio and HD image and high resolution. The only bad thing about this phone is its Symbian OS and not Windows which is already doing well in market with their Lumia series. It also has HDMI port, headphone jack, micro USB port, it also has Dolby Digital Plus for 5.1 channel surround sound playback.
Nokia 808 Pure View Images Launch Date in India, USA, UK
Nokia 808 Pure View Images Launch Date in UK is second quarter of 2012 so it means it will be sometime around April, 2012. In India it will be around May, 2012 and in USA it will be in March, 2012.
Price of Nokia 808 Pure View Images in India, USA, UK
Price of Nokia 808 Pure View Images in UK is 450 euros and in USA it will be somewhere around $350 and in India it is going to be somewhere around 40,000 INR.
Nokia 808 Pure View Images
WE are also embedding press release of Nokia 808 and it is as below,
Nokia Press Release
Nokia 808 PureView ushers in a revolution in smartphone imaging
Nokia sets a new industry standard with the first in a range of high end experiences based on exclusive Nokia PureView imaging technologies.
Barcelona, Spain – Nokia today ushered in a new era in high-end smartphone imaging with the Nokia 808 PureView. This is the first smartphone to feature Nokia PureView imaging technologies, bringing together high resolution sensors, exclusive Carl Zeiss optics and Nokia developed algorithms, which will support new high-end imaging experiences for future Nokia products.
The Nokia 808 PureView features a large, high-resolution 41 megapixel sensor with high-performance Carl Zeiss optics and new pixel oversampling technology. At standard resolutions (2/3, 5 and 8 megapixels) this means the ability to zoom without loss of clarity and capture seven pixels of information, condensing into one pixel for the sharpest images imaginable. At high-resolution (38 megapixel maximum) it means the ability to capture an image, then zoom, reframe, crop and resize afterwards to expose previously unseen levels of details. With superior low-light performance and the ability to save in compact file sizes for sharing in email, MMS, and on social networks, the Nokia 808 PureView makes it possible for anyone to capture professional looking images in any conditions.
In addition to superior still imaging technology, the Nokia 808 PureView, also includes full HD 1080p video recording and playback with 4X lossless zoom and the world’s first use of Nokia Rich Recording. Rich Recording enables audio recording at CD-like levels of quality, previously only possible with external microphones. The Nokia 808 PureView also features exclusive Dolby Headphone technology, transforming stereo content into a personal surround sound experience over any headphones and Dolby Digital Plus for 5.1 channel surround sound playback.
“Nokia PureView imaging technology sets a new industry standard by whatever measure you use,” said Jo Harlow, executive vice president of Nokia Smart Devices. “People will inevitably focus on the 41 megapixel sensor, but the real quantum leap is how the pixels are used to deliver breath-taking image quality at any resolution and the freedom it provides to choose the story you want to tell.”


People & Labs
Christine P. Hendon
Christine Hendon (Fleming) is an Associate Professor in the Department of Electrical Engineering. Her research interests are in developing optical imaging and spectroscopy instruments for applications in cardiac electrophysiology and interventional cardiology. Dr. Hendon received the B.S. degree in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology in 2004, and M.S. and Ph.D. degrees in Biomedical Engineering from Case Western Reserve University, 2007 and 2010.


Relex Smile Laser Eye Surgery
MINIMALLY INVASIVE LASER VISION CORRECTION
ReLEx® SMILE® from ZEISS offers the only solution for performing small incision lenticule extraction – SMILE, for short. First performed on a sighted patient more than 10 years ago, today over 1,700 surgeons worldwide practice SMILE. FDA-approved, it equips clinics with an additional Laser Vision Correction option to complete their LVC portfolio.
With ReLEx SMILE, a lenticule and a small incision of 2-4 mm is created inside the cornea. The preservation of the upper corneal layers and the possibility for fewer transected nerves may preserve biomechanical stability and reduced the incidence of transient dry eye syndrome.
Behram Yıldırımşimşek M.D. Relex Smile SURGERY — 4:54 Min.


Velodyne Lidar module supports Lidars from Velodyne. It supports three lidar sensors:
- Possible System configuraitons
- How to connect the Device and Software Setup
- Velodyne LIDAR’s possible Synchronization
- Available Output sections
- Vizualization of Velodyne LIDAR’s data
- Autonomous vehicles with real-time perception data that enables safe and reliable operation of autonomous driving and advanced vehicle safety. Achieved range, accuracy and resolution are capable of autonomy level 4 and level 5.
- High-level ADAS for safe navigation, collision avoidance, lane keeping assist, automatic emergency braking, …
- Mapping for building highly accurate 3D models of any environment.
- Smart city for monitoring and measuring conditions areas for pedestrian safety, vehicle traffic, parking space management, …
Velodyne LIDAR can be used as a standalone system that obtains software synchronization. That means only Velodyne LIDAR sensor is used for the measurement.
Velodyne LIDAR sensors is usually used together in system with other devices, such as:
- Dewesoft DAQ devices
- GNSS devices
Such configurations allow the user to perfom measurements on higher level of complexity, but at the same time keeping it simple and completely synchronized inside DewesoftX software. The possibility to gather data from multiple sources gives the user better overview and detailed information about measured systems.


2 Challenges Individuals Do Not Really Comprehend Concerning LASIK Eye Surgical OperationThe eye can be taken a look at with relative ease as to both its function and its structure. A functional examination includes the capability to move in the orbit and the response of the student to light and accommodation.
The function of the eye might be evaluated in several ways. The patient might be asked to recognize illuminated letter or objects of differing sizes on exactly what is understood as the Snellen chart.
Conversely, the examination of the structural part of the eye might be made in numerous ways. Tension within the eyeball is determined by a "tonometer." In specific illness, specifically in glaucoma, the tension in the eyeball is increased markedly.
However, it ought to be well bore in mind that a patient with an eye issue might have other issues too. Typically other physical conditions are main and impact the eye as a consequence. The look of the eye can signal the doctor and the client to difficulties in some disturbances of other parts of the body even prior to other symptoms provide themselves.
As a result, one's reliance on sight is emphasized when one deals with a short-lived or possible irreversible loss of this important sense. Hence, when corrective measures are sought, specific forms of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some people are troubled with the reality that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were developed to motivate reduced usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Essentially, LASIK eye surgery is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgery is another kind of vision correction. The only distinction is that with this type of surgery, one's vision is fixed completely.
With LASIK eye surgery, the refractive mistakes in the cornea are permanently changed. This can be done utilizing an "excimer laser."
The main purpose of look at here now this surgical treatment is to create a threadlike, rounded "flap" in the cornea utilizing a blade called "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, allowing much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
In the middle of the growing popularity of LASIK eye surgical treatment, there are still disadvantages that people need to know. Most likely, the primary reason that this kind of eye surgery has ended up being well accepted is because the majority of its cases had achieved success.
In spite of its success, Learn More Here there are still some drawbacks. Here is the list:
1. It is an operation applied to the most sensitive part more of the eye
Because LASIK eye surgery includes the operation of the retina, which is among the most delicate portions of the eye, the majority of people state that the operation can be really risky.
To puts it simply, a basic mistake might almost cause an person's lifetime blindness. It is important to consider many aspects prior to deciding whether LASIK eye surgery is the right restorative procedure one has to undergo.
2. It is not a ideal procedure
LASIK eye surgical treatment might fix your vision but it does not always suggest that it can provide you a twenty-twenty. Even if statistical reports show that 70% of the patients may have 20/20 vision, this does not always indicate they have ideal vision.
Provided all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not always be the perfect eye surgical treatment the method most people view it
Alternatively, the examination of the structural part of the eye might be made in several methods. It ought to be well kept in mind that a patient with an eye issue might have other issues. Frequently other physical conditions are main and affect the eye as a effect. The look of the eye can notify the doctor and the client to troubles in some disturbances of other parts of the body even prior to other signs present themselves.
Like its tangible counterpart, LASIK eye surgery is another form of vision correction.


Tiny Lenses Offer Wide-Angle View
A novel lens-making technique creates an artificial insect eye, which could lead to better camera lenses.
A team of researchers at the University of California, Berkeley has figured out how to inexpensively assemble more than 8,000 tiny plastic lenses into a dome-shaped array, mimicking the compound eye of a bee or dragonfly. Their innovative structure can capture light and images across a 180-degree radius -- twice the range of wide-angle "fish-eye" lenses.
The new fabrication process could be used in small, inexpensive cameras for medical procedures such as endoscopies or video-guided surgery. Or, say the researchers, the array could be integrated into mobile-phone cameras to increase their picture-viewing area. The dome-shaped collection of lenses, described in the current issue of Science, consists of 8,370 individual lenses, each with a diameter of 25 micrometers, packed in a honeycombed pattern.
(from the science magazine)


Optoma W505 (Zonder Lens)
De Optoma W505 wordt zonder lens geleverd.
- 5200 Ansi lumen,
- Lens shift, Verschillende lenzen,
off-axis short throw optie
- Volledig support voor
Crestron, Extron, AMX,
PJ-Link and Telnet LAN commands
- Krachtige image Blending Tools -
3-axis kleur matching system en
10x lamp-power standen
- Geavanceerde features –
Wired Remote, Full 3D Support en
Short: 0.77:1 (Fixed)
Standard: 1.54 - 1.93:1 (1.25x zoom)
Long: 1.93 - 2.89:1 (1.5x zoom)
Superb image quality is at the heart of every ProScene product design. At every step, commencing with the incredibly reliable, high resolution WXGA DLP® chip where the image is initially created, via the UHP lamp pulsing technology that fine tunes the colour to exacting standards, through to the precision optics to focus the image on a screen, accuracy and integrity of the image are paramount.
ProScene chose DLP® technology for its image quality and unmatched reliability. The reflective nature of DLP® micro-mirror technology provides highly efficient bright images with great contrast whilst maintaining precise colour accuracy and natural, real-world colour reproduction. For demanding professional applications, the proven reliability of DLP® technology makes it the obvious choice.
DLP® technology from Texas Instruments® is widely recognised and acclaimed for its unmatched reliability and long lasting image performance. When combined with high brightness and native contrast ratios, it becomes the obvious choice for demanding applications. Independent testing has proven DLP® to be the most reliable of projector technologies. Whilst other technologies may show image quality decline after only a few thousand hours, DLP® technology can remain unchanged over hundreds of thousands of hours.
True WXGA Resolution
The 370W UHP lamp provides the highest possible luminance, the essential prerequisite of all highly efficient projectors.
These lamps have outstanding brightness, stay brighter for longer, and provide an optimal colour spectrum. In addition, the lamp drivers are specifically tuned for the lamps, ensuring not only optimum operating conditions for every situation, but also provide sophisticated lamp pulsing modes and the assurance that colour can be fine-tuned according to the application.
Clear, Focused Images
DarkChip3™ technology from Texas Instruments produces a stunning 2000:1 contrast ratio for pin sharp graphics and crystal clear text. Crisper whites, ultra-rich blacks makes images come alive and text easier to read.
The W505 incorporates BrilliantColor™ technology to produce stunningly bright images with perfectly balanced life-like colours.
To help meet the seemingly limitless challenges of ProAV installations, the W505 provides multiple lens options with zoom and focus adjustment to ensure you can get the image size you require, while a wide lens shift range helps you get the image exactly where you want it.
All 3 optional lenses, including the 0.77:1 short throw lens can use the full lens shift range.
Full Lens Shift
|1.54 - 1.93:1
|1.93 - 2.89:1
Throw distance chart
|W505 Throw Distance
|Diagonal Image Size (16:10)
DICOM simulation mode
Designed specifically for larger meeting rooms and lecture theatres, the W505 includes a special DICOMsim mode that has been specifically tuned for viewing greyscale images, perfect for viewing X-rays and scans during medical training.*
*The W505 is not suitable for use in medical diagnosis.
Using the inherent speed of DLP® technology, Optoma Full 3D projectors can output video and images at an astonishing rate of 120Hz, allowing you to show full screen, full colour, stereoscopic 3D. The 3D effect is generated by splitting this signal into two standard video streams, one for each eye. Using DLP® Link™ technology, the 3D glasses synchronise with the image on screen to filter each stream to the correct eye. Your brain then combines the two streams to make them jump into life.
The W505 supports multiple 3D formats from various devices such as PC, Blu-ray 3D™, Sony® PS3, Microsoft® Xbox 360 or 3D TV broadcast system.
Edge Blending Tools
No two projectors are completely identical. When performing complex, or even simple edge-blend projects using multiple projectors, it can be difficult to achieve good results if the images do not match. The W505 incorporates the following features to ensure high quality and consistent results.
The W505 has a full 3-axis colour matching system, which combined with accurate measurements can create seamless blends every time.
The brightness of a projector will vary throughout its life. To correctly match multiple units, the W505 has 10x lamp power steps between 80~100% full brightness.
The wired remote connection allows all aspects of the projector to be individually controlled without requiring a line-of-sight to the projector; invaluable when using multiple units during live events.
System integration control
Multiple W505 can be monitored over LAN and can also provide the user with an email message alert in case an error occurs or a lamp fails or needs to be replaced using Crestron Roomview. The web browser interface and full support for Telnet, Extron’s IP Link, AMX dynamic device discovery and PJ Link protocols, allow almost all aspects of the W505 to be controlled across a network, keeping you in control, wherever you are.
Ultimate controlCut up to 30% from your energy bills using 24-hour automated power scheduling to ensure that projectors power off when not in use.
Cut up to 30% from your engergy bills using 24-hour automated power scheduling to ensure that projectors power off when not in use.


Perimental 4T1-GL mouse metastatic model is amenable for investigating CTC circulation in vivo, utilizing a novel mountable miniature intravital microscopy system described next.Development of a mountable intravital microscopy (mIVM) systemGhosh et al. have recently introduced a miniature integrated fluorescence microscope, created from mass-producible elements and capable of in vivo high speed (100 Hz) cellular imaging and imaging of capillaries microcirculation.  This miniature intravital microscope incorporates a traditional epifluorescence microscope architecture into a ,two.4 cm3 housing, without any fiber bundle coupling, allowing for imaging of freely moving awake animals. The excitation light supply is actually a blue LED, with excitation light collected on a drum lens, filtered by a 480/40 nm bandpass filter, reflected off a dichroic mirror and delivered to the specimen through a gradient refractive index (GRIN) lens. The fluorescence emitted in the imaged specimen returns through the same path to a 535/50 nm bandpass filter and an achromatic doublet lens that focuses the image onto a CMOS sensor of size 6406480 pixels (Fig. 2A-B, ). Data acquisition is coordinated by a printed circuit board (PCB) in between the microscope and the pc (Fig. 2C, ). The miniature microscope can image at a frame price up to 100 Hz, includes a functioning distance of 150?00 mm, based on the focal plane, and its lateral resolution is two.five?2.eight mm. As a way to image a superficial skin blood vessel within a moving animal, we coupled the miniature microscope to a dorsal skinfold window chamber (DSWC) on the back of a mouse. The DSWC is an aluminum chamber that can be implanted surgically in the skin of the back in the mouse and give access to superficial vessels of skin and smooth muscle layer by way of a protective glass coverslip.  Because the miniature microscope was developed for imaging at a operating distance of 200 mm, we chose a coverslip harboring a thickness of 55?0 mm. To couple the miniature microscope for the DSWC, we created a custom u-shaped holder (Fig 2D, Fig. S1) that serves two functions: (1) to position the miniature microscope inside the x-y plane from the window chamber on leading of a superficial blood vessel of size as much as 150 mm diameter, by rotation about the axis of your DSWC principal screw, (two) to sustain the miniature microscope in Aurora B Inhibitor drug concentrate, by securing its position along the z-axis (determined making use of an x-y-z-stage) through the side screw of your holder (Fig. 2D). The miniature microscope weight is less than two g, the holder machined in lightweight titanium will weigh much less than 1 g, amounting the total weight in the entire mIVM method to much less than 3 g.Statistical analysisResults were expressed as mean six regular error of the mean, unless indicated otherwise. An unpaired, 2-tailed Student’s t test was employed to calculate P values. P values #0.05 had been regarded as HSV-2 Inhibitor Gene ID statistically important and reported as asterisks: for P # 0.05, for P # 0.01, for P # 0.001 and for P # 0.0001.Ethical statementThis study was performed in strict accordance using the suggestions within the Stanford’s Administrative Panel for Laboratory Animal Care (APLAC) and this study was particularly approved by Stanford University’s APLAC board (APLAC #21127, APLAC #11581). All surgeries have been performed below anesthesia and all efforts had been produced to lessen suffering.Outcomes Development of a dual-modality imageable mouse model of breast cancer metastasisWe transfected the murine metastatic carcinoma cell li.


An LCD TV is a type of flat screen TV that uses LCD (Liquid Crystal Display, liquid crystal display) technology, which generates images using a liquid crystal display. Together with the plasma TV, LCD TV practically has displaced cathode ray tubes CRT TV by low thickness, weight and volume small, low consumption, high definition and widescreen format, despite an image quality and response time less than the CRT. Features currently the flat screen TV, either TV LCD or plasma, practically has displaced market grace cathode ray tubes CRT TVs to its limited thickness, weight and volume small, reduced consumption, high resolution picture and a minor damage in sight, despite a lower image quality and speed of response to the CRT. The LCD TV uses a structure of active matrix TFT (Thin-Film Transistor, thin film Transistor), by what this type of TV is also often referred to as TFT-LCD TV, TFT LCD TV or TV TFT. An LCD TV screen is composed of two layers of tinted glass among which lie the pixels, formed by liquid crystal and divided into three sub-pixels of red, green and blue that generate the color of the pixel. Behind the pixel lies the backlight or light source, which in conventional LCD TV are CCFL (Cold Cathode Fluorescent Lamp, cold cathode fluorescent lamp), while in the so-called LED TV are LEDs (Light-Emitting Diode, light-emitting diode). Let’s look at the main features of an LCD TV: weight and dimensions: LCD TV is light and very flat, with a thickness of less than 10 cm high definition: most can receive high definition HD Ready or Full HD signal. Form factor: most common in LCD TV aspect ratio is widescreen format of 16: 9, unlike the relationship 4: 3 CRT.
Screen size: we can find LCD TV from 15 up to 60 inches in diagonal. Image quality: rate refresh the image, viewing angle, brightness and the delay of an LCD TV provide high image quality. Connections: generally a LCD TV carries all types of connections, both digital (HDMI, DVI) as analogue (SCART, composite video, s-video, VGA). Disadvantages as major disadvantages of LCD TV we can mention: an LCD TV has a native resolution in offers it an optimal result, losing the image quality if you work in another resolution. The range of colors, contrast and image quality is not as good as on a CRT. LCD TV usually has a limited viewing angle. They may have defective transistors that generate stuck pixels (permanently lit), dead (permanently shut down) or weak (less luminosity than the rest). An LCD TV with slow response times can cause ghost images when images are loaded quickly.


Eye Care and Eyewear of Carrollton is honored to be an exclusive distributor of the new progressive VARILUX S SERIES lenses. This new series of progressive multifocal lenses fall under Essilor’s highest quality brand, the Varilux brand. These new eyeglass lenses are designed to decrease patient’s problems with poor optics in traditional progressive lenses and are proven to provide limitless vision whatever the situation.
The VARILUX S SERIES is composed of 3 exceptional products:
Varilux S Design™
Backed by two ground-breaking technologies –– Nanoptix™ Technology and SynchronEyes™ Technology that helps with eliminating dizziness, swim effect, and helps stability of motion for patients who have trouble adapting to progressives. Varilux S Design lenses are at the core the Varilux S Series. Varilux S Design lenses are available in regular and short versions.
Varilux S Fit™
Varilux S Fit lenses address limited vision, making eyes work in tandem giving patients edge-to-edge clarity with more intermediate vision, as well as better computer vision with a wider view. Varilux S Fit lenses are the first step towards personalization within the Varilux S Series. Besides offering the advantages of Nanoptix and SynchronEyes Technologies, Varilux S Fit lenses also include position of wear measurements – Pantoscopic tilt, Wrap angle and Vertex distance.
Varilux S 4D™
Backed by Nanoptix, SynchronEyes and the ground-breaking 4D Technology, Varilux S 4D lenses are a revolution in lens personalization. Varilux S 4D lenses must be used with Eyecare and Eyewear of Carrollton’s exclusive Visioffice® machine. In addition to position of wear, natural head posture and eye rotation center, Varilux S 4D lenses also include the leading, dominant eye measurement that allows patients to experience faster visual reaction time.
Varilux progressive lenses are the most technically advanced progressive lenses available. So when wearing Varilux lenses, you’re guaranteed the greatest technology available for treating presbyopia. For more information on the VARILUX S SERIES lenses please come into the Carrollton store or visit us online at http://www.ecew.com/.


Supplementary Materials Supplemental material supp_84_8_e02508-17__index. Gram-positive varieties show similar developments in response to a MK-2866 distributor laser beam irradiation dose. Laser beam irradiation could bargain the physiological function of cells, and the amount of damage can be both stress and dosage reliant, ranging from decreased cell development to an entire lack of cell metabolic MK-2866 distributor activity and lastly to physical disintegration. Gram-positive bacterial cells are even more vulnerable than Gram-negative bacterial strains to irradiation-induced harm. By correlating Raman acquisition with single-cell development features straight, we offer evidence of non-destructive features of Raman spectroscopy on specific bacterial cells. Nevertheless, while solid Raman signals can be acquired without leading to cell death, all of the reactions from different strains and from specific cells justifies cautious evaluation of Raman acquisition circumstances if cell viability is crucial. IMPORTANCE In Raman spectroscopy, the use of powerful monochromatic light in laser-based systems facilitates the detection of inherently weak signals. This allows environmentally and clinically relevant microorganisms to be measured at the single-cell level. The significance of being able to perform Raman measurement is that, unlike label-based fluorescence techniques, it provides a fingerprint that is specific to the identity and state of any (unlabeled) sample. Thus, it has emerged as a powerful method for studying living cells under physiological and environmental conditions. However, the laser’s high power also has the potential to kill bacteria, which leads to concerns. The research presented here is a quantitative evaluation that provides a generic platform MK-2866 distributor and methodology to evaluate the effects of laser irradiation on individual bacterial cells. Furthermore, it illustrates this by determining the conditions required to nondestructively measure the spectra of representative bacteria from several different groups. knowledge. Instead, it provides a full spectrum of Raman fingerprints specific to the intrinsic chemical composition of a sample and thus has emerged as a powerful label-free method for studying living cells directly under their physiological conditions (5). To date, Raman spectroscopy has been widely used for identifying cell phenotypes and functional changes caused by cell processes such as MK-2866 distributor aging and differentiation (3, 6,C8). Within the last 10 years, Raman spectroscopy is becoming very important to learning environmental and medical microorganisms significantly, nearly all that are not cultivable in the lab and are mainly unfamiliar (4, 9). Identical to numerous additional spectroscopic and bioimaging methods, most lasers useful CARMA1 for Raman spectroscopy are in the near-infrared and visible ranges. The discussion between laser beam light and a molecule generates inelastic spread light, i.e., light having a different wavelength compared to that from the event light, providing rise to a distinctive Raman change. Since only around 1 in 106 to 1010 event photons generate inelastic spread light, intrinsic Raman indicators are inherently fragile (10), and discovering them necessitates the usage of high irradiation energy. Nevertheless, intense laser beam irradiation may damage natural samples and even has been utilized to destroy bacterias for the purpose of disinfection (11, 12). In the reported books, there are several discrepancies between your observed nondestructive/harmful effects due to similar circumstances applied to bacterial cells. For example, in addition to killing cells, regrowth of bacterial colonies has been found to occur after large doses of laser irradiation (12); in some cases, low-power laser irradiation has also been found to promote bacterial proliferation (13). Surprisingly, studies of laser irradiation on individual bacterial cells have been very limited, despite the well-known fact that there is heterogeneity even within an isogenic inhabitants (14). Here, we exploit single-cell microfluidics for the quantitative evaluation of laser irradiation in bacterial cell destiny and growth. The approach allows real-time tracking from the development of specific cells and therefore reveals concealed heterogeneities within a inhabitants (14,C17). In this study, we MK-2866 distributor used a 532-nm laser as the light source because of its wide use in Raman spectroscopy as well as its potential to damage living cells (11, 18). To investigate differences between species, representative Gram-negative (JM109 and ADP1) and Gram-positive (168 and sp. RC291) bacterial strains were investigated. These strains were chosen because they are widely used in microbiology and therefore provide well-characterized systems to investigate the effects of laser irradiation. Considering the requirement to maintain cell function throughout Raman spectroscopic measurements, the growth characteristics of individual cells exposed to a wide range of irradiation conditions were quantified and correlated with their Raman spectra. RESULTS Real-time monitoring of cell response to laser irradiation. The monolayer lifestyle of cells inside the microfluidic gadget (Fig. 1) allowed both a concentrated irradiation of known power and length of time to be employed to randomly preferred specific cells and their following development to be.


Zeiss Polarised Lenses
We use polarised lenses from Zeiss, that offer 100% UV protection, in two tints.
This is a warm lens with a gradient that is darker on the top than on the bottom. This lens makes everything look warm.
This is a green base lens with a semi mirrored coating that reflects tones of green and blue. Zeiss refer to this kind of coating as 'triflection'. This lens makes everything look a cool green.
We use CR-39 which is a lightweight material commonly used to make lenses. Some people ask for glass lenses, but we find these are too heavy and we’d rather use a lightweight material.
For customers wanting their prescription lenses fitted we offer a Frame Only option.
In this instance, we will fit the frames with ‘dummy lenses’. When you receive your order, you can take your glasses to your optician who will replace the dummy lenses with your own prescription lenses.
For all Frame Only orders we provide a set of instructions with the order which you can give your optician when they replace the lenses for you.


Williamson Short-Wavelength Advantage
Infrared pyrometers rely on making a reading based on the amount of energy collected. The amount of energy collected can be affected by emissivity variance and optical obstructions. Selecting the shortest possible wavelength helps to eliminate variables such as emissivity variation and optical obstruction. Being less sensitive to these variables ensures for a more accurate reading compared to a general purpose long-wavelength sensor.Emissivity Variance
Every object emits infrared energy proportional to its temperature. Infrared pyrometers collect the infrared energy emitted by an object and convert it into a temperature value. Emissivity is the percent of energy emitted by an object compared to the theoretical amount of infrared energy emitted by a perfect emitter at the same temperature. The amount of energy emitted is a function of both temperature and emissivity.
Therefore, the emissivity of a measured target has a direct correlation to the energy reading of a pyrometer. Emissivity varies due to changes in material, surface texture, degree of oxidation, micro structure or surface contamination. The emissivity of a material can also vary at different wavelengths. The graph to the right shows that selecting the shortest possible wavelength will result in smaller errors due to emissivity variance. In fact, short-wavelength sensors can be 4-20 times less sensitive to emissivity variation compared to long-wavelength sensors. By reducing the errors caused by emissivity variation short wavelength sensors produce a more accurate and repeatable reading.


The revolutionary technology in the award-winning SkyProdigy telescope is now available for almost every Celestron computerized telescope.
Torrance, CA (January 8, 2013) – Celestron, the world’s #1 telescope maker, is excited to unveil the StarSense Accessory, a revolutionary new telescope accessory that turns your telescope into a fully-automated tour guide of the universe.
Before StarSense, using a computerized telescope required a lengthy alignment process of finding and centering at least two bright stars in the telescope’s eyepiece. But StarSense automatically aligns itself, no user input needed. With StarSense, you become an instant astronomer—even if you’ve never used a telescope before.
StarSense technology debuted in 2011 with Celestron’s SkyProdigy telescope line. SkyProdigy captured multiple awards that year, including Popular Mechanics’ Breakthrough Product Award and the esteemed Innovations Award at the 2011 International CES.
As SkyProdigy amassed accolades, Celestron engineers were already working to bring StarSense technology to other Celestron computerized telescopes. Now, with the StarSense Accessory, that dream is a reality. StarSense is not only compatible with all of Celestron’s current computerized telescope models, but backwards compatible with many older models as well.
The StarSense Accessory includes a small digital camera that attaches to the telescope’s optical tube, along with a specialized hand controller. Just set up the accessory, push the Align button on the hand controller, and StarSense starts capturing and comparing images of the night sky against its internal database of 40,000 celestial objects. In about three minutes, StarSense will gather enough information to triangulate its position and align itself. Then, press the Sky Tour button: StarSense will automatically slew to all the best stars, planets, galaxies, and more based on your exact time and location.
Even the most advanced telescope users will love using the affordable StarSense Accessory. StarSense replaces expensive software used for Advanced Mount Modeling, providing superior pointing accuracy from horizon to horizon. Users can add as many calibration stars as desired to give their telescope mount a new level of accuracy.
StarSense will be on display, along with all of Celestron’s new 2013 lineup, during the 2013 International CES, January 8-11, 2013, at the Las Vegas Convention Center. Visit Celestron in Central Hall, booth #14842 for a complete review of StarSense and all of our 2013 new product releases.
IF THIS WORKS ON SKYWATCHER MOUNTS WHICH ARE KNOWN FOR TAKING 15-20 MIN
ALIGNMENT I CAN REALLY SE THIS SELLING BIG TIME ITS NOT JUST FOR LEARNERS.


Telescopes can be divided into three major categories. Of these, optical telescopes are the simplest type of telescope, meaning they rely on optics to magnify a view, while more advanced types can have mirrors.
The most basic types of a telescope to choose are telescopes for beginners. These have easy-to-use controls and allow the user to observe objects up close without leaving the viewing area.
Reflector telescopes offer more control over the viewing, and magnification, as well as exposure to a softer light. Also, these types of telescopes are usually less expensive to purchase. However, because of their nature, these telescopes may require additional power to focus properly on a particular object.
Tube and Table Top telescopes are large telescopes that are used in laboratories and observatories. While smaller, tube telescopes do not have as many options as tabletop telescopes, because the amount of light they are capable of producing is limited by their size. This type of telescope is extremely detailed and offers a very wide viewing angle.
Modern telescopes often include a combination of all three types, but there are still a few of the simpler types that do not feature multiple types. In addition, some may require multiple power sources to operate properly. Before deciding which type of telescope is best for you, it is important to think about the types of objects you will be observing.
Easy to use. Telescopes should have simple controls and easy to understand menus and modes. Additionally, make sure that there are no overly complicated adjustments, as this can cause a lot of frustration and even eye strain. You can also increase the view of quality and magnification by choosing good telescope eyepiece for viewing planets.
Easy to use. They should also have a wide viewing angle, which allows you to see the whole sky at once. Your eyes may need to adjust to the different viewing angles, so be sure you understand what is required in advance.
Proper magnification. You should be able to use your telescope to magnify the object you want to view.
Select accessories. Many telescopes come with accessories, such as a hand controller or collimation cap, so make sure you select those items before spending your money.
Unlike reflectors, telescopes used for astronomy only focus on the surface of the lens instead of the entire optical lenses. Because of this, most of these telescopes do not feature computer controls for focusing the lens itself.
All three basic types of telescopes are good for beginners. If you find one with an easier-to-use interface, more magnification, or better magnification, that’s all you really need to begin observing.
For a beginner, the choice between an eyepiece telescope and a Barlow telescope can be a very difficult one. Because of their large size, they require a huge amount of space in which to work and are not recommended for beginners. If you do not have enough space, a Barlow can be your only option.
The Barlow telescope is only useful if you are looking at celestial objects and are using a two-way monitor with some kind of tripod. However, it is still the cheapest way to view celestial objects. This is because with a Barlow telescope, there is a viewing port that allows you to see celestial objects as well as in a small spot on the ground.
In order to get the most from your Barlow telescope, you will have to buy it with a good telescope mount. The telescope mount will contain four to six tubes so that it can be turned to any direction you want.
When buying a new telescope, it is important to consider the type of housing that comes with it. A good telescope that has a good housing is an essential part of the telescope. You should also buy a stable telescope mount since it will help in keeping the telescope stable during long observation sessions. It is important to make sure that you get a telescope that can support the telescope bar.
There are many online stores that sell a Barlow telescope and you will find one that suits your needs if you go to their website. You will be able to compare prices and choose the best product for your requirements.
All Telescopes offer astronomy notes that are well informative. These features allow you to read a series of documents about astronomy so that you can gain experience and knowledge about science.
Astronomy notes should always be written on paper since it can fade when exposed to direct sunlight. To prevent this, many manufacturers print their astronomy notes on a computer printer or digital display, so you don’t have to worry about this.
The teaching of astronomy is just one of the many options that you can choose from when you start looking for a telescope. Other options are the use of a telescope and a tripod and learning the stars through a telescope, and learning about the Earth through the telescope.
You can see the sky and study it through a telescope, even though you are going to the nights in the atmosphere where atmospheric pressure will be lower than usual. This is the best time to observe the stars and planets in the solar system and the moons of Jupiter and Saturn.
To prevent the image distortion in the telescope, you need to study the optical performance and document what you found out. Even if you know what the object you saw in the telescope is, you will be able to find more information by using this tool.
When you’re ready to find the right telescope, the first thing you should do is to compare the prices of different types of telescopes that are available. The second thing you need to do is to make a list of the telescope types you want to purchase and the reason for why you are going to purchase them.


Lens mount adapter ring replacement for Canon EF/ EF-S series lenses to EOS-M cameras.
The lens mount adapter ring can increase compatible lens choices for your camera, very practical.
Supports automatic focus function, providing your with better shooting performance.
High precision contact points, stable signal transmission, and easy to install with the red dot.
With 1/4 inch screw hole at the bottom, can be installed on the tripod or other fixed bracket easily.
Material: Plastic + Metal
Focus Mode: Auto Focus
Screw Hole: 1/4 inch
Item Size: 7.2 * 6.8 * 3cm/ 2.8 * 2.7 * 1.2in
Item Weight: 56g/ 2oz(excluding caps)
Package Size: 8 * 8 * 5cm/ 3.1 * 1.2 * 2in
Package Weight: 106g/ 3.7oz
1 * Lens Mount Adapter with caps


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MFS500 is a high-quality fingerprint scanner utilized for accurate fingerprint authentication process. MFS500 is devised with an optical scratch free sensor for efficient recognition of poor quality fingerprint is a high-quality fingerprint scanner devised with an optical scratch free sensor for efficient recognition of poor quality fingerprint. The device is used for the identification and authentication of an individual. Fingerprint scanner or reader is easy to install, easy to use, secure and reliable device for identifying and verifying a person based on his/her fingerprint impression that eliminaties the need of remembering passwords or PINs. Our Biometric Fingerprint Scanner MFS500 is an accurate, safe and reliable device for verification, identification and authentication of an individual, which captures the fingerprint images in a faster and reliable manner. Our fingerprint scanner is elegantly designed and equipped with the fingerprint recognition module to record fingerprint images of an individual for specific premises or resources.


In the world of lenses and eyepieces, it can be confusing to pick the right one. Both of the eyepieces work wonderfully.
Both brands of eyepieces work perfectly with your telescope or microscope. But Plossl eyepieces are better than Kellner ones. Plossl eyepieces have a better FOV and better eye relief. On the other hand, Kellner’s has more lenses and is inexpensive. At the same time, Plossl is a bit more expensive.
We have given both short and detailed comparisons of the factors of both brands. If you are considering purchasing one, this article can guide you in the right direction.
The Plossl and Kellner eyepieces are made to see the wonders of the night sky. But there are some differences between the two eyepieces. However, you need to know how to use an eyepiece on a telescope.
In the table below, we have presented the key factors of each of the eyepieces. There are some similarities and differences between these two products. Could you check the key elements?
|No. of Lenses
|Type of Lens
|Field of View
|13mm Focal Length = 28mm
|20mm Focal Length = 28mm
|Not so Expensive
These are the key differences. As we said, you can see some basic differences between the two. Also there are some similarities as well.
Now that you know why each eyepiece differs, let’s get down to the details. Below you will find detailed information about each of the factors. We have presented elements of both.
Number of Lenses
The number of lenses matters when it comes to eliminating the chromatic effect. The chromatin effect is when you see a glare while looking through the eyepiece.
Although the number of lenses doesn’t always determine the magnification level, you can use Barlow or Powermate lenses to get a better magnification Barlow Barlow or Powermate lenses.
Also, multiple lenses are used in the case of better magnification. The Plossl eyepiece has three lenses, whereas the Kellner has 4. So, Kellner is a better option if you are looking for better magnification.
Winner: In the case of having more lenses, Kellner is the clear winner.
Type of Lenses
In both of the eyepieces, achromatic lenses have been used. The job of this lens is to reduce the chromatic effect. This also eliminates the spherical aberration when looking through the lens.
The lens corrects the wavelength of light. Usually, the red and blue wavelengths are converted. In the cases of Plossl and Kellner, both brands use this type to eliminate the chromatic effect.
Winner: In this level, it is a draw between the two eyepieces.
Field of View
The field of view is the maximum area you can see through the eyepiece. The field of view can also be labeled as FOV. The term field of view is used in cameras, binoculars, and all the places where lenses are used.
Here, the Plossl eyepiece has a 35-50 field of view. That means the angle will be measured at the point where the eye sits. So, the field of view is wide at a 35 to a 50-degree grade.
But this does mean the magnification is maximized at a point. So you can see further with greater focus. Although, how far you can look through a telescope depends on other factors.
On the other hand, we have Kellner, which has 50 to 56 degrees of field of view. So much larger surface can be observed with this eyepiece.
Winner: The clear winner, in this case, is the Kellner eyepiece.
The term eye relief is used in optical instruments. Eye relief means the distance of the last part of the eyepiece, which the user’s eye the full view.
The lower the focal length, the light the magnification of the eyepiece. So, the Plossl eyepiece has a 13mm focal length. Usually, eyepieces come on 20 to 25mm of focal length.
On the other hand, we have the Kellner eyepiece. It has a 20mm focal length. Which is high than Plossl, but that means it has lesser magnification.
Winner: Here, the Plossl is the clear winner.
Price is a big factor regardless of a product’s quality or bad. Cause price is what determines the value of the products.
Plossl is Cheaper than Kellner eyepieces. Usually, you can find Plossl eyepieces for 30 to 300 dollars.
On the other hand, we have the Kellner eyepieces. Kellner eyepieces are considered better products, but they do cost more. Kellner’s eye can cost around 20 to 200 apiece.
If you are thinking to buy Plossl or Kellner eyepieces, check the link below. You never know when can they go on sale. We always update the price listed below.
These are the best deals you can get on these eyepieces.
That’s all the factors of both of the eyepieces.
It all comes to which one is better. So, Plossl eyepieces are better than Kellner eyepieces. But they are substantially more expensive.
Plossl eyepieces are the more expensive cause, their more complex and have better quality. But there are good and bad models available from both brands. So, the purchase decision depends on your budget.
If you are a professional, Plossl might be a better option for you. But, for beginners, Kellners are good to be with.
Questions: What are the differences between eyepiece and objective lens?
Answers: The objective lens shows the real image to the eyepiece. This lens sits close to the object. On the other hand, the eyepiece lens sits close to the eye.
Question: What is the purpose of an eyepiece?
Answer: The purpose of the eyepiece is to magnify the image which sits close to the lens. It projects and magnifies the real image to the eye sensor.
Question: Is using an eyepiece mandatory in a telescope?
Answer: Using an eyepiece is mandatory for telescopes. The eyepiece puts the object you are viewing in focus. It also magnifies the object you are looking at.
That is everything you need to know about, plossl vs kellner. Both of the eyepieces are wonderful.
Both professionals and beginners can use the eyepieces to analyze their subject.
Have fun observing!


Audi’s new lighting and autonomous driving tech
At the recently held 2013 International Consumer Electronic Show – CES – the people over at Audi have lifted the lid on some of their latest tech: an autonomous driving system and some rather innovative lighting features.
The autonomous technology Audi has unveiled is called ‘piloted driving’ and was designed to take control over the car’s acceleration, braking and steering functions when faced with congested traffic at speeds up to 60 km/h, thus freeing the driver to focus on other tasks.
The system builds upon Audi’s already existing adaptive cruise control technology, adding two radar sensors, a wide-angle camera, eight ultrasonic sensors and a laser scanner – all of which are meant to monitor the vehicle’s surroundings in order to keep it safely on track.
Another extra feature that comes with the piloted driving system is an autonomous parking function which pretty much allows the driver to exit the vehicle in front of a garage or a tight parking spot and then he or she can have the car park itself via the key fob or a smartphone. Once the car reaches its final position, it will shut off the engine, deactivate the ignition, lock the doors and send a confirmation message to the driver.
When it comes to vehicle lighting technologies, Audi has always played a leading role, being something of a pioneer, and they are sticking to that reputation with their new features based on laser lights and OLEDs – Organic Light-Emitting Diodes.
In good visibility the tail-light technology will project a fan-shaped red line onto the road surface so as to tell the driver behind to maintain a safe travelling distance. In fog or rain, this laser beam will be projected onto the water droplets, forming the shape of a large, floating warning triangle.
As to the use of OLEDs, Audi consider that they have the potential to create a ‘swarm’ layout, with Audi engineers aiming to transform the rear of their vehicle into a continuous light surface.
The technologies that they have displayed at CES are seeing continuous research and development, we can only expect that Audi will continue to enhance the safety of their production vehicles as a result of this in the coming decade.
Tags: adaptive cruise control
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