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Bahtinov mask for binoculars query


Knighty2112

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I was outside with my 15x70 binoculars a few days ago and was wondering if to achieve perfect focus with the binos could you use a Bahtinov mask to do this for each eyepiece of the binoculars, or would the short focul length of the binoculars create a problem to achieve this? The smallest mask I can see is for 65-100mm optics so the mask will fit on the binoculars OK, just wondering if it will work is all.

Cheers! :) 

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24 minutes ago, StevieDvd said:

Yes it's possible, they can also be used to collimate binoculars. I did this on an old pair of Russian binos that had to be collimated (and used uneven screw rings on each lens)

 

For example see this thread here

Thanks. I thought they would, but wanted to make sure before I bought one specifically at this size. 

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