Question about Pentax DCF SP Binocular

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Diopter out of ajustment

Diopter adjustment on my Pentax binoculars keeps going out of adjustment so that even with it cranked all the way left, it still can't be matched with the left optics. Something gets out of wack and I've already had to send it in twice. Hopefully there is just some screw that gets loose that I can fix myself.

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Pentax is one of the good guys and has a great serice center. why no send it back and ask for a replacement, if your sure you are focusing properly there should be no problem. larry@reichinstruments.com

Posted on Jun 24, 2009

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1 Answer

I have a pair of pentax 10x42 DCF HRc binoculars that will not focus properly througn the right eyepiece. Just wondering if this is a common problem and is it worhtwhile getting repaired


The binos will rack focus both at the same distance, you need to rack focus left side to distant image with left eye only, then turn diopter focus to focus right eyepiece. Diopter focus is thinner wheel behind focus wheel

Aug 15, 2015 | Pentax DCF HRc (10x42) Binocular

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What has focusing wheel stopped turning


www.swarovski.com/Web_US/en/contact

consider asking them.

Jun 10, 2014 | Swarovski El 8.5x42 Swarovision Binocular

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How to hold binoculars properly


1. Remove the lens covers, if they are in place.
2. Set the diopter on the right barrel eyepiece. The function of this setting is to adjust between vision differences between your eyes if you are NOT wearing corrective lenses. Set to zero if you do have corrective lenses on (glasses or contacts). For proper diopter adjustment see this article: Binocular Selection Guide.
3. Most binoculars will hinge in the middle to allow for differences in the spacing between the eyes. Set the spacing to fit your eyes.
4. Adjust eye cups. Each eyepiece will have a means of maintaining the correct eye relief for the user. On quality binoculars the rim of the eyepiece will extend and retract as you twist the eyepiece rim. Move all the way in if you are wearing eyeglasses or adjust out if not wearing eyeglasses. You will know if they are set correctly when you look through the binoculars and check to be sure that the circular edge of the view should be sharp and not fuzzy. At this point we are not looking at any object in the view but rather the perimeter of the view. You may need to adjust the eye cups again to compensate. On lower cost binoculars the eyecup may only be a rubber lip that you either fold over (the "in" position) or out.
5 Raise binoculars to your eyes and use one finger to adjust the focus wheel on the center shaft between the two barrels, until the view is in sharp focus. If viewing for extended periods you may want to keep your elbows down near your side as this will increase comfort while viewing.
Final safety tip: Do not look at the sun through binoculars.

Many people enjoy observing nature with binoculars. Having them handy is key. Hunting, astronomy, marine use, and stadium sports are a few more activities where having a pair of binoculars can make a real impact to your experience.

Mar 06, 2014 | Zeiss Optics

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First you must focus the left eye on a given object with the center focus wheel. Once the left eye is sharp while looking at the same object adjust the right eye to be as sharp as possible. The right eye diopter is only meant to adjust for the small differences between the eyes.
Thomas E. Kuenzli Eagle Optics (800) 289-1132

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1 Answer

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There's a diopter adjustment lever just above the viewfinder. Adjust it while peering through the viewfinder. This may be easier if you remove the rubber eyecup.

For further details see the "Adjusting the Viewfinder Diopter" section on page 39 of the manual.

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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

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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!

Informatica

Sep 07, 2008 | Bushnell PowerView 13-1633 Binocular

1 Answer

Diopter adjustment


Call tech support! That's why these people get paid. Sites like this wouldn't need to exist if they did their jobs correctly!

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