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Old Saturday 27th April 2019, 00:13   #12
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Join Date: Aug 2016
Location: London
Posts: 361
Originally Posted by Canip View Post
With the term „rocking“, I actually meant that when turning the focus wheel, focusing occurs un-evenly in the two tubes as the bridge pushes and pulls the eyepieces up and down un-evenly (too much play in the mechanics). This is a frequent complaint about cheaper porro binoculars.
Not just the cheapies unfortunately... I have had something similar manifest itself in a Nobilem (not when focusing - but if pressing the binocular too hard against your eyes the bridge can be pushed inwards).
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