Question about Bushnell "Insta-Focus" Binoculars

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Insta-Focus focusing problem

I recently bought a pair of 16 X 50 bushnell binoculars and for some reason, I can't for the life of me figure out how to focus it properly. I see the diopter setting and it works fine, but I don't see a "center focus wheel" or the "Insta-Focus lever". The model number is 13-1650C. Any help would be much appreciated. Thanks!

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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

Posted on Nov 25, 2008

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Posted on Jan 02, 2017

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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

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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!

Informatica

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