Question about Bushnell PowerView 13-7016 - Binoculars 7-15 x 35

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How do I take apart Bushnell 7-15 x 35 binoculars to clean the focus gearing zoom mechanism

They are very dirty

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: lost installation disk for my bushnell binoculars

I los the CD for my KTC Webcam can you please help me to download it,s driver

Posted on Sep 02, 2008

  • 112 Answers

SOURCE: bushnell insta-focus mechanism gets stuck.

they were famous for that, because the screwpin that holds the eyepice shaft is metal and the groove that it rides in is plastic, and eventually gets jammed....look where you put your fingers to adjust eyepieces. should be small metal plate in center of hinge(sometimes with bushnell logo) that will simply pry off by using small screw driver,and now you will be able to see if the screw is loose or damaged. good luck...larry@reichinstruments.com

Posted on Jan 16, 2009

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SOURCE: Bushnell binoculars model 11-1025

drivers can be procured at cs.bushnell.com. this unit will not work on vista.

Posted on Oct 06, 2009

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SOURCE: unable to focus my Bushnell 7x35 insta-vision binoculars

insta-vision bino's are self focusing no adjustments.

Posted on Nov 02, 2009

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SOURCE: I have one Bushnell binocular that was dropped

alignment would be around $35.00 plus shipping dont know if the model you have is worth it..if i can be of further assistance...capecod389@aol.com

Posted on Dec 04, 2009

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I see double image unless I take the lens as close as the binoculars can go


thats how binoculars are. Yours in this case is really strong. the closer you are to something, looking at it, the more magiflyed you going to be. try view things far a distance, really far away. no more double right?
Everything you need to know to become an expert:
on this website: http://www.chuckhawks.com/binocular_basics.htm
It is surprising how many people do not know how to focus binoculars correctly. There are two common focusing systems used in binoculars.
The first is individual eyepiece focus. This system is simple to understand, and easy to manufacture. It also lends itself well to sealed optical tubes, and thus is usually the focusing system used for waterproof binoculars. Individual eyepiece focus means that to focus the binoculars to your eyes, you simply focus the left eyepiece to your left eye and the right eyepiece to your right eye. There is no centrally located focusing mechanism. It is done like this. Look at something in the distance. Close the right eye (or cover the front of the right binocular), and focus the left eyepiece to your left eye. Close the left eye (or cover the front of the left binocular), and focus the right eyepiece to your right eye. You are finished, until you need to look at something at a different distance, in which case you need to repeat the process.
Because individual eyepiece focus is time-consuming, center focus is more common. Unfortunately, very few people understand how to correctly use center focus binoculars. Here is how it is done. Aim your binoculars at something in the distance. Close the right eye (or cover the front of the right tube), and focus the left side of the binocular to your left eye using the center focus control, which is concentric with the pivot shaft between the binoculars. (Note: the left eyepiece itself does not focus on center focus binoculars.) Next, close your left eye (or cover the front of the left tube), and focus the right eyepiece to your right eye. DO NOT touch the center focus control while you are focusing the right eyepiece to your right eye. Now you are finished. What you have just done is adjust the binoculars for your individual eyes. (Practically everybody's left and right eyes are different.) From now on, you only need to adjust the center focus control when you look at things at different distances. Center focus is faster and easier to use than individual eyepiece focus, once you have initially set the binoculars for your eyes.
Binoculars are commonly described by using a pair of numbers, as in "7x50" or "8x25." The first of these numbers refers to the magnification offered by the binocular. Magnification is why most people buy a pair of binoculars. In the examples above, "7x" means the binocular makes whatever you look at appear seven times closer than it does to the unaided human eye. "8x" means the binocular makes whatever you look at eight times closer than the unaided human eye. "10x" makes things look ten times closer, and so on. The first number used to describe binoculars always refers to their magnification. Common binocular magnifications are 6x, 7x, 8x, 9x, and 10x.
There are also variable power (zoom) binoculars, such as 7-21x50. These almost always perform much better at the low power setting than they do at the higher settings. This is natural, since the front objective cannot enlarge to let in more light as the power is increased, so the view gets dimmer. At 7x, the 50mm front objective provides a 7.1mm exit pupil, but at 21x, the same front objective provides only a 2.38mm exit pupil. Also, the optical quality of a zoom binocular at any given power is inferior to that of a fixed power binocular of that power. In general, zoom binoculars are not the bargain they seem to be.
Remember that everything (including movement) is magnified when you look through a pair of binoculars, especially your own shakes and tremors. So the higher the power, the harder it seems to hold the binoculars steady. 6, 7, or 8 power binoculars are easier for most people, even those with very steady hands, to hold reasonably still. The higher powers sound like a good deal, but often result in jiggly, blurred views. This is why 7x binoculars are chosen by so many experts, including the military.
Power affects brightness. Other things being equal, the higher the power, the dimmer the view. And power also affects the field of view of the binoculars. Again, everything being equal, the higher the power, the smaller the field of view. So, as you can see, power must be balanced against other desirable characteristics when choosing binoculars.

May 09, 2011 | Bushnell 240842 Binocular

1 Answer

I own the Bushnell binoculars 21-1242 waterproof. The focus knob is broken. Can it be fixed? Can not focus them.


easy they are under warranty for 30 years from date of purchase send therm back to bushnell...

Aug 23, 2010 | Bushnell H2O 13-2412 (12x42) Binocular

2 Answers

Unable to focus my Bushnell 7x35 insta-vision binoculars


insta-vision bino's are self focusing no adjustments.

Jun 05, 2009 | Bushnell "Insta-Focus" Binoculars

1 Answer

Bushnell insta-focus mechanism gets stuck.


they were famous for that, because the screwpin that holds the eyepice shaft is metal and the groove that it rides in is plastic, and eventually gets jammed....look where you put your fingers to adjust eyepieces. should be small metal plate in center of hinge(sometimes with bushnell logo) that will simply pry off by using small screw driver,and now you will be able to see if the screw is loose or damaged. good luck...larry@reichinstruments.com

Jan 14, 2009 | Bushnell "Insta-Focus" Binoculars

1 Answer

I would like to know where to send my husbands Minolta zoom 19514845 to be repaired. It is called a Minolta zoom stanard zoom, 8x-20x50, 3.1 degrees at 20x. The zoom does not work. You can focus without...


sorry to give you bad news , but most zoom binoculars are not worth cost to repair, they are made of either a small steel band or tiny metal gears to enable both sides to work simultaneously, once they are broken it is almost impossible to find matching parts. sorry....larry@reichinstruments.com

Dec 29, 2008 | Optics

1 Answer

Insta-Focus focusing problem


first open and close the binoculars untill they fit you eye width,now adjust left eye with the flat section located on the center hinge,now turn right eyepiece till clear. note: once you have adjusted right eyepiece you only have to leave it in that position in order to focus from near and far.........good luck......larry@reichinstruments.com

Nov 24, 2008 | Bushnell "Insta-Focus" Binoculars

1 Answer

Bushnell 10 - 30X50 adjustment


on some models the center focus control is located on the center hinge,it should be flat,and not hard to find,if there is no center wheel this is where it should be...good luck...larry@reichinstruments.com

Nov 19, 2008 | Optics

1 Answer

Bushnell PowerView 13-1633 Binoculars


Hi - This called the diopter adjustment which compensates for small differences in focus between the left & right eyes.

See the following web page for adjusting :

http://www.birdwatching.com/optics/diopter_set.html

Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

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Sep 07, 2008 | Bushnell PowerView 13-1633 Binocular

1 Answer

Double image


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.

Aug 03, 2007 | Bushnell 10 x 42mm Sportsman Binoculars

1 Answer

Double vision


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.

Jul 03, 2007 | Bushnell Powerview - Compact 10 x 25...

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