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Eyeglasses and Binoculars

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/06/2007 at 11:03
Scott_Abel View Drop Down
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Joined: March/06/2007
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Hello everyone,

 

I am new here, but have been reading this forum for awhile.  I bought a Nikon Monarch scope from the guys at SWFA just before they went on sale ...oh well...I'm happy with it and it was still a good price at the time.  I actully live pretty close to SWFA's location in Red Oak, Texas, so I just went there to buy it...very nice folks.

 

On to my question...I recently bought a pair of Nikon Monarch binoculars in 8x36.  I wear eyeglasses, and looked through many pairs of binoculars before I bought these.  Even the ones with the longest eye relief did not offer the same field of view as when I took off my glasses and looked through them.  Now that I have bought these and played with them some, I prefer looking though them without glasses on.  I seem to be able to focus just as clear of picture without my glasses on.  Is that possible?  I mean, can the binoculars both magnify and "correct" my vision by using the center focus adjustment?  Obviously, I have to change the focus adjustment when I switch between glasses and no glasses, but I seem to be able to get a clear picture either way.  Is that possible, or am I dreaming?

 

Thanks for any help.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/06/2007 at 11:19
lucznik View Drop Down
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Yes, within certain limitations the binocular can both magnify and "correct" your vision.   You will likely have to adjust the diopter ring to a different setting than when you use your eyeglasses in order to get the best/clearest picture. Many people, especially those with relatively minor eye prescriptions prefer to use binoculars without their eyeglasses for a number of reasons:

 

  1. This removes one glass element from the equation.  No matter how expensive they seem, the glass used in eyeglasses is really not all that high quality.  Add to that the small scratches that inevitably occur with normal/constant use and there is a lot of room for spectacle-induced abberations that can easily be eliminated by not wearing the glasses.
  2. Even if you can get the full FOV with your glasses on, the image will still appear clearer and brighter without the glases.  This is because when you wear your eyeglasses you lose the benefit of the binocular's eyecups which serve to block out stray light from the sides.
  3. Although most binocular eyecups are made from soft rubber or plastic and are thus pretty benign, they still run the chance of scratching your eyeglass lenses.

 

Binoculars cannot be used to correct the more complex vision problems like astigmatism nor are they especially useful for correcting far-sightedness but, for simple near-sightedness, they work just fine.



Edited by lucznik
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/06/2007 at 12:35
Scott_Abel View Drop Down
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Thanks for the help, that makes a lot of sense.  I appreciate it.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/06/2007 at 13:53
anweis View Drop Down
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I don't know, but i lift the eyeglasses to my forehead when i use binoculars. I am good at it, i only need a fraction of a second. I do it mainly because i can hold the binoculars better and get a steadier view when i press them on in eyesockets than when i push them against eyeglass lenses. I do prefer looking through binos without eyeglasses, for some reason.



Edited by anweis
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