Blurry optical plummet on a Trimble S5, easy fix?
I bought a used S6 a while back and it works great, but it’s always had a blurry optical plummet. You can never quite get anything into focus, almost like there’s some oil smeared on the glass somewhere. I’ve cleaned the exterior glass on the eyepiece and under the tribrach, but that’s not the problem. Has anyone cleaned the interior of one of these and have any advice on how to go about it?
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