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Old 21-07-2018, 12:55 AM
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skysurfer
Dark sky rules !

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Join Date: Dec 2011
Location: 33S 150E (AU holiday)
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Quote:
Originally Posted by Stonius View Post
Best to try it yourself. I was in a similar situation a while back. Often there are hidden collimation screws under the hand grips, or in my case, I was pulling the apart for fun looking for any interesting / useful bits and I found that one of the screws holding the prism in place was loose. Tightened it up again, BAM! Instant collimation!

It's worth a try! What have you got to lose?

M
Right as long it is a porro bino (with the prisms, the most usual ones). When you have a roof one where it looks like it is straight-through, the roof prisms are inside and hidden for the user and you cannot DIY. OTOH, roof binos do not easily get out of collimation.
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