Question about Vivitar Binoculars 7 X 50

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Bent I have a pair of "Vivitar" 7 x 50 binoculars. These are still new in the box. The main focus appartus appears to be bent. These binoculars are unusable. Can they be replaced?

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Not likely. These binocs are reviewed elsewhere by many, and appear to be pretty much cheap junk.

I happen to have a pair, and the right lens support that is screwed onto the body is cracked plastic.

Maybe with your set, and mine, we could make one good, functional unit... but when you could buy another (ah ma zon dot c o m) for less than 11 dollars, why bother.

Sorry... but they just aren't really very well made. As to the bent focus mech you have, I doubt you could obtain a part, anywhere, to replace the bent one. You might try to straighten the bent part by careful disassembly of the body, but do know that there's a bunch of glued together parts in these binocs, and not too many parts that can be removed/replaced with screws.

Posted on Nov 07, 2008

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Brand new and out of the box the eyepieces seem to look in slightly different directions causing a ghosting of the image. It gets worse as you zoom in to the maximum setting. I have tried adjusting all...


Return them for a refund or exchange. Either the prisms need adjusting or the eyepiece carrier yoke has got bent in transit and neither are user-fixable items.

Nikon are usually excellent, but like all such products only a small sample are quality tested during production, so it's inevitable that a few rogue faulty examples will eventually reach customers.

Aug 13, 2011 | Nikon Action Binocular

2 Answers

Focusing problems


Hello Samaro,

This effect is produced when the tho sides of the binoculars are not focusing the same.
Since you sayit is present at long distance, it might be that one barrel is stuck and is not focusing the same as the otherone when you scroll the middle "focuser".

What you can do is open it up and try to clean it, also see if there is something, that is making one of the lenses not move forward as far as the other one.

Good luck,
Dahaka

Jul 28, 2008 | Fujinon CD Binocular

1 Answer

I have a pair of Bushnell 20x50 Powerview getting double vision. Can focus each side by themsleves but not together.


Sorry to say but it sounds as if the binoculars have suffered a jolt.

All bincoculars are collimated at the factory so they will focus together at a "central point".

Some Binocular dealers will check the collimnation prior to shipping.. and make adjustments as needed..

If the internal prisms were shifted out of place or the frame was bent.. chances are it will be cheaper to replace then to repair... if not impossible to repair.

Inspect the frame.. to check for any debris or loose fasteners.. but I am afraid that these will need to be replaced.

Best of luck

Feb 27, 2011 | Bushnell Powerview 13-2050 (20x50)...

1 Answer

I can't focus the binos anymore looking through both lenses at the same time, it's distorted


You have asked about what is one of the most common binocular problems. I hope that you don't mind if I paste my generic answer below as there's no point in reinventing the wheel. If the answer does not provide a solution then please state your exact Nikon Action model and add any extra details which may help.

Your binoculars either have a bent or broken yoke assembly (the bit which carries the eyepieces) or one or more prisms have came unseated.

The first repair involves replacing the entire yoke assembly: the part is expensive in comparison to the retail cost of a new pair of binoculars and with labour charges on top is not usually a cost-effective repair except on really high end expensive models and you can buy a brand new pair of Nikon Action binoculars for less than GBP£90.

The second repair is straightforward and fairly quick for anyone with the right collimation equipment, but the screw(s) need to be secured with thread-locking liquid afterwards.

I hope you manage to use this information to fix your binoculars or at least that it assists you to choose your next course of action. Please take a moment to rate the free answer I have provided for you and any testimonial which you might wish to add is always welcome!

Oct 05, 2010 | Nikon Action Binocular

1 Answer

Hi, the zoom connection, a metal strap, between left an right is broken on a set of vivitar 10-50x50 binoculars. Is this an easy inexpensive fix I can do myself. Thanks, Marc.


Your binoculars either have a bent or broken yoke assembly (the bit which carries the eyepieces) .

The repair involves replacing the entire yoke assembly: the part is expensive in comparison to the retail cost of a new pair of binoculars and with labour charges on top is not usually a cost-effective repair except on really high end models at prices far higher than yours which can be completely replaced for under GBP£90. The yoke cannot be repaired:if it's broken then it will have bent first, and if it''s just bent then it usually breaks when trying to unbend it. If you do manage to unbend it, then it's usually fatally weakened and almost never accurate anyway.

I hope you manage to use this information to fix your binoculars or at least that it assists you to choose your next course of action. Please take a moment to rate the free answer I have provided for you and any testimonial which you might wish to add is always welcome!

Oct 04, 2010 | Vivitar Binoculars & Monoculars

2 Answers

Right & left eye does not focus together. They appear to be @ two different powers


Your binoculars either have a bent or broken yoke assembly (the bit which carries the eyepieces) or one or more prisms have came unseated.

The first repair involves replacing the entire yoke assembly: the part is expensive in comparison to the retail cost of a new pair of binoculars and with labour charges on top is not usually a cost-effective repair except on really high end models at prices far higher than yours which can be completely replaced for under GBP£115.

The second repair is straightforward and fairly quick for anyone with the right collimation equipment, but the screw(s) need to be secured with thread-locking liquid afterwards.

I hope you manage to use this information to fix your binoculars or at least that it assists you to choose your next course of action. Please take a moment to rate the free answer I have provided for you and any testimonial which you might wish to add is always welcome!

Sep 28, 2010 | Nikon Action Extreme 7x50 Binocular

1 Answer

Need to realign the optics for Binoculars


You can't. It needs to be done professionally.

I imagine that you are now finding that whatever you do, you cannot get both eyepieces to focus. Most likely, the carrier yoke for the eyepieces has bent or broken: it's by far the biggest single cause of binocular failure.

If it's bent then straightening it is rarely accurate and usually results in the yoke breaking or leaves it severely weakened and ready to break. If it's broken, the physical loads across such a tiny contact area making gluing impractical. Even in the rare cases where it can be done all that it results in is a yoke which is back in one piece but which is now bent.

In most cases, the cost of repair exceeds the cost of replacing with new, but your binoculars are fairly expensive so that's most unlikely to be the case. But if you want them to work again like a £500+ pair of binoculars then you need to send them for professional repair. If you do it any other way then you may as well throw them away and buy a £15 pair of Bresser Meade 10x50's from LIDL (excellent binos for the price and comparable to many £100 models, but not in the same league as yours when fully functional).


Mar 07, 2010 | Olympus Binoculars & Monoculars

1 Answer

USB Cable


Look for a product like this in you local computer shop or on line in your region

Universal USB Kit[URL=http://www.imagethrust.com][IMG]http://i117.imagethrust.com/i/703514/usbkit.jpg[/IMG][/URL]

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