I've got -2.75 &amp; -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 &amp; 1.5 or 2 for the 1.75 eye?
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.
52667
You only need one diopter ring for one eye. When you focus the binoculars, you're focusing for both eyes, but then you use the diopter ring to compensate for the different vision in the one eye. The other eye gets the compensation from the overall focus. You tweak the main focus and the one diopter until both eyes are getting the same sharp image.
77652
Yes, somebody here said +.2 or something like that.It is minor but present; makes screen seem just a little bit bigger.You can get them as prescription lenses if you need more.
672296
2 at the same time or go see an optometrist and have a pair made with this type of lens. These glasses are helpful but not by that much.
2263147
with out the 3x magnifier I wanted the two dot easy to see . with out the 3x magnifier over two dots hard to see them . yeah with 4 dots and no ◾3x magnifier looks like a straight line. I dint want the weight and pay the extra cash. my friend has the 4 dot and 3x magnifier really nice set up. hope this helped you :)
2010915
I read that it'sto do with the exit pupil size and why I went for 15x70. Apparently adult pupils (those over age 25) have a pupil diameter of around 5mm. So with 15x70 binoculars that's an exit pupil size of just under 5mm (the 70 divided by the 15). So essentially these will let in the maximum amount of light into your eye thus giving the sharpest and brightest image. I believe that if you buy 25x70s then the images may appear quite dark. PS still waiting for mine to arrive so and brand new to astronomy so happy to be corrected. Hope this helps.
759249
My brother has loan his 50 1.4 to me. I like. I may get the 24-70 2.8 - we get so many positives about it. Use the 24-70 indoors and the 4f lens where there is good light??Thanks for your suggestions.
979860
The pulp adjustment number doesn't need to be exact. It's more of an art than an exact science. I haven't noticed a major difference between using 1 or 2 for fruit. You will notice a difference between 5 and 2.
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.
187867
I also noticed the "200" and assumed that it meant 2.00. Turns out that it did: the glasses are indeed a +2.0 correction. I'm not sure whether they just left out the decimal point after the 2, or maybe "200" is just what they call it.
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.
1951964
In our line of work we are working on small die parts at close range. Roughly six inches away from the actual lens. Closer for the smaller lens. Roughly 2''... Everyone's eye muscles are different though.
1216096
I have different sizes for different areas. I have been using the 1.0 for my face, 0.5 for around the eyes and 2.0 for body areas. I hope this helps. I actually did my face last night.
1951961
There are three lenses which can be stacked for greater magnification. Using the first lens only it's about 8-8.5 inches. Add the second lens and that drops to about 4 - 4.5 inches. Add the circular lens (for the right eye only) and it drops to about 3/4 - 1 inch. Hope this helps.
823560
you will need an adapter as C5 is 1.25 . many available . just google : adapt 2" eyepiece to 1.25"
1652322
If I understand your Query correctly you need to wear reading glasses. Correct? The EOS Canon cameras have a pretty extensive range of adjustability built in. If you need something additional (rather unlikely) then match the diopeter number to the number you wear with your reading glasses. Such as +1.5 or +2.5...I purchased this adjustment lenses but actually found out the Canon had the correct adjustment on the camera for me around +1.75.So I don't use this piece.
1357471
my old work has the 28-70 2.8... personally I took it out of my bag n use the old 35-70 2.8... that is much sharper then the 28-70 <-- might be the worst 2.8 ever... but they got it right with 24-70 sharp n wide... oh n weight less then the 28-70...