I've got -2.75 & -1.75 eyes. Should I round up or down to the nearest diopter? For each eye. 2.5 or 3 for the 2.75 eye & 1.5 or 2 for the 1.75 eye?
64369
Because of the difference I would suggest buying 1 pair in each of the diopters you need and swapping out the lenses. For me the difference was only 1 point so I went up a half. They've worked out great.
64370
Two easy ways to solve this issue: There is a company called Platina (they also sell on Amazon) that sells the Corrective lenses separately so you can go that route if you like but it is more money. Second option: determine which is your DOMINANT eye and buy a pair with that correction. 99% chance you will NEVER notice the difference since your dominant eye controls most of your "vision"
47633
So you have the option to have a different strength for each eye? I did not when getting swim goggles and went with something in the middle, so in your case, either 2 or 2.5. I have one eye too strong, one not enough, but that does not seem to be a problem.
2143049
Hi Anthony, The correct magnifications are 1.5x, 2x, 2.5x and 3x. The magnifications in the current video needs to be updated. We sincerely apologize for any confusion.
2173899
Remember, the minute you go from 1x1 up the power scale, you change your field of view!! If you have vision problems, then who cares!! Target acquisition during combat is probably 75% reflex. Good vision, good reflex, breath control, and trying to control adrenelean rush is paramount, but if you are shooting 300 yards or more then acquiring your target should not be a problem with a 2x magnifier. For closer targets stick with the 1x unless you have severe vision problems. ENJOY!!!
2087332
Eye relief is unlimited due to being 1x. Even at indirect view. As long as the dot is on target Use mine at about 8 inches.
998685
It says"Magnifier 2 5x ...". I believe the 2 is just part of the product name, there is no decimal point. A 4" lens diameter can't be 5x, they just can't make them. I even asked my eye doctor about ordering one from him. So I think the lens is a 1.5x with a 3x inset as the lower information on the page description says,. I sent mine back as the one I bought at a fabric store was better. I think you could find a 2x or 2.5x in a large lens with a 6x inset somewhere else. The around the neck batteries wear out very fast so you need rechargeable batteries for cost reasons.
944545
Well it depends how far are you shooting in my neck of the woods. 3x9 is fine. I like 3x9 I leave Lt on 3 while walking in just in case I jump something. On 3 I can focus quickly on a target . The only time I adjust higher is when sitting once I spot something or when target shooting. I normally target shoot 50- 200 yards with no problem with 3x9 either way its a wonderful scope you be happy.
107887
My daughter's prescription is -7.0 in one eye and -7.25 in the other. I purchased the -7.0 for her and they work great. For you I bet that the 9 would be better as you are already very nearly there at -8.75.
1503374
The 25 and 36 refer to the size of the lens opposite the eyepiece in mm. The larger the lens the more light it gathers. This of course makes for a heavier monocular and a larger one. I have a 10x25 and it is fine. You have to have a steady hand though in using the devise.
222845
Same company makes reading glasses as well. Just pick the 1.50 or 2.00 or whatever prescription is closest to what you currently use.
1340325
The first number is the power of the lens, that is how much it will magnify the image. The second number represents the diameter of the lens in mm. They work together to calculate a number called the "exit pupil" or "exit ratio". Take the lens size and divide it by the power to get this number. The higher the number, the brighter the image. For example, 10x50 will give an exit ratio of 5.0, 8x42 would be 5.25, 10x42 would be 4.2. In my opinion, the exit ratio is more important than the power. My favorite binoculars are 8x50 (6.25) but I also just bought 10x50 as a gift who is delighted with that configuration. Stay away from high-power binoculars. They, for me, are too hard to keep steady due to the high magnification. I hope this helps. -Norm
21264
Honestly there isn't a big deal between -3.50 and -3.00 and you can get either one and you will see grate. But if you are still not satisfied go for 2 pairs of one -3.00 and -3.50 and just switch lenses and this way you have to pairs with perfect match
107802
That equation is correct... it is called spherical equivalent. With a -3.00 sphere and -3.25 cylinder, your spherical equivalent is -4.50. Keep in mind this will give you pretty decent vision - good enough to see at a reasonable distance, but this will not be equal to a full spectacle prescription. I am an optometrist.
823560
you will need an adapter as C5 is 1.25 . many available . just google : adapt 2" eyepiece to 1.25"
336773
Hi, I said I would check the use of the MaxTV glasses with my 4.25 Diopter contact lenses removed.I did, the focus adjustment did NOT go quite far enough to give a sharp focus. It was very close,but not quite there. If you used a two diopter, I don't think you would have a problem, even a 3 diopter would probably work. So for what it's worth. Ang, again, they work as I wanted them to.
2191696
That has never been a problem for me. I see fine. Would not need to adjust them. At first I thought that would be a problem but it was not. However I have 20 20 uncorrected vision.
2066692
I think it is best if you start with 0.5mm because it is safer and not painful and if you like it and get used to it get a replacement head of 1.0mm. Also depends on the areas where you want to use it, use smaller needles as a beginner or to use in gently areas such as around the eyes. hope this helps.
65715
I ordered the mask for my girlfriend who is near-sighted. She gave me a copy of her prescription. Under the "Dist" part of her prescription, sphere is -8.5 which is the number I used when I placed my mask order. I am assuming "DV" is distance, and "NV" is near. If so, I believe you would enter the "DV" number. The mask worked great for my girlfriend. She said she could see better out of the mask than her glasses. Hope that helps, Brian H.