Guide :Optics : Action Binocular

Binocular double vision

When looking through my 10x50's anything over about 50 feet appears in doubles.when using my 8x21's everthing is fine.

Research, Knowledge and Information :


Double Vision (Diplopia) Guide: Causes, Symptoms and ...


What Is It? Double vision, also called diplopia, causes a person to see two images of a single object. There are two types of double vision: monocular and binocular.
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Diplopia - Wikipedia


Diplopia, commonly known as double vision, is the simultaneous perception of two images of a single object that may be displaced horizontally, vertically, diagonally ...
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Double vision - Treatment - NHS Choices


If you have double vision, your treatment will depend on whether you have double vision in one eye (monocular) or both eyes (binocular), and the underlying cause.
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Binocular Double Vision – A Review


Binocular Double Vision – A Review ... Isolated abducens nerve palsy is a common cause of binocular diplopia.35 If caused by microvascular disease as a result of
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Double Vision, Diplopia: Symptoms, Causes, Treatments


Double vision is also called dipolpia. Learn about symptoms and causes of double vision, as well as treatments.
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Binocular vision - Wikipedia


Binocular vision is vision in which creatures having two eyes use them together. The word binocular comes from two Latin roots, bini for double, and oculus for eye ...
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How to Fix Double-Vision on Binoculars - Instructables.com


This How To is about recollimating (or fixing double-vision) on binoculars. Before proceeding, you should check to see if your binocs are under warranty, because ...
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Binocular double vision Archives - Discovery Eye Foundation


Double Vision and Cataracts. Double vision, like all sudden vision irregularities is definitely something to take seriously, especially if you’ve had no history of ...
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Double vision in binoculars - Getting Started General Help ...


Double vision in binoculars. Started by GalileoBear, September 1, 2010. ... so do you think they are still too far apart and that is what is causing the double image?
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Diplopia (Double Vision): Monocular and Binocular Causes and ...


Monocular double vision occurs due to a problem with one eye and is less common than binocular double vision.
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Suggested Questions And Answer :


Double Vision Hi I have an Oberwerk 12 x 36 x 70 Zoom binoculars, fully muli coated. They have just recently developed double vision : I see the viewed image twice over. This happens even though the lenses are fully centred. This problem disappears whenever I close either eye. Any suggested solutions much appreciated. Kieran


Your glasses have had a hard drop or jar- they are out of colluminatiom send them to Deusch Optics in Nevada
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Double vision I have a pair of carl zeiss jena - jenoptem 8.30w binoculars the right lens is viewing vertical poles slanted this way \ the left lens is fine, how can I cure the problem, both lenses are optically crystal clear and if the right lens did not give this double vision effect they would be a credible pair of binos. please help.


Take it into an outdoor shop and they can check the mirror alignment, seems that it may have "altered' itself
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My Bushnell Insta Vision binoculars have double vision (10 x 50 WA / 370 ft. @ 100 yards)is there an adjustment I can make to correct this?


Hi, These binoculars are renowned for this problem unfortunately. What happens is the two oculars become misaligned and this causes the "double vision" effect. There is no adjustment you can make yourself to correct the problem. Most Bushnell products are covered by a lifetime warranty but I believe there are exceptions to this and your binoculars are one of these exceptions and are covered by a 2 year warranty. If you send the binoculars back to them - for another $10 delivery fee they will correct the problem for you. There is no other way to correct the issue so if your binoculars are still covered by warranty this is the only solution in this case. See link below for Bushnell warranty information and the correct procedure for returning repairs and please do leave a vote for the solution. Thanks. Bushnell Warranty Information
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Binocular double vission


Less beer ?
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No apparent exterior damage but now my nikon's have "double vision" clear on each individual tube but doubled vision when veiwing normal. any suggestions?


The prisms have shifted inside of the binoculars. This is not an easy job as you have to make corrections to the angle of the prisms for leaning field and collimation. Two suggestions: 1. If they are under warranty take them to a repair agent. 2. If you want to do it yourself, there are instructions on the web about how to go about effecting a collimation. Too long to go into detail here.
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Double vision Hi, I have a Bushnell 13-2412 binoculars, the problem is double vision


I'm assuming you have set the dioptre correctly for your eyes. Normally this is caused by a collimation error when one (or both) prisms move. This can be by a small amount. Your going to have to take them in for service/repair to fix this as is not a DIY problem. (Unless of course you have a collimator lying around)
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Double vision with the optics. Dropped and now the binocular has double vision.


The yoke which connects the eyepieces and keeps them aligned as the focus changes is damaged. If you can easily move one eyepiece back and forth with respect to the other then the yoke has broken, if not then it's bent, probably cracked and waiting to break.This is probably the most common fault on most binoculars, and it's usually uneconomic to repair. If bent, the yoke *might* be able to be straightened, but it will be weakened and the alignment afterwards will rarely be spot-on. If broken, then the yoke must be replaced professionally but the repair often costs more than replacing the binoculars with new. The break cannot be simply glued: the contact area is too small to carry the loads it has to carry, and you also usually find that the yoke bent before breaking anyway so you then have all the same problems as you do with a bent yoke.The fragile nature of the yoke is why binoculars must always be inserted into their case with the objective lenses facing down; this avoids shock loads on the delicate yoke assembly.If you have a telescope and binocular repair specialist located conveniently to you then it may worth getting an estimate for repairs, but there are few these days with the skills to do so. Minolta no longer exist, so spare parts will be almost as scarce as rocking horse droppings. But if you're in the UK, then visit or phone Kay Optical for advice.I hope that you've found my posting to be of use and in return ask only that you take a moment to rate my answer.
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Double vision I have a pair of bushnell 10x50 binocs i get double vision when using them.


The distance between the centers of the eyepieces of your binocular must be the same as the distance between your pupils. This distance is adjusted as follows: 1. Focus on a distant object. 2. Pivot the two halves of your binocular farther or closer apart until you can see a single unobstructed, circular field of view. Make sure to focus on a distant object when you do this because when you focus on a close object you always see two slightly overlapping circular fields. Your binocular may have a scale on the top, between the eyepieces, to help you remember this setting.
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