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Old May 12, 2021, 10:13 AM   #96
Bart B.
Senior Member
 
Join Date: February 15, 2009
Posts: 8,666
I don't have bionic eyes. I do have an optical collimator that fits in the muzzle:

https://alleysupply.com/site-a-line.html

Using a 6X monocular I look into the scope eyepiece to test these functions:

* see if one elevation and windage click back and forth is repeatable, then 2 clicks, then 3.

* zoom power back and forth in its limits to see if there's any slop in the two erector lens mounts that move to focus target image on the reticle. I've seen expensive scope's reticle make half MOA figure 8 paths zooming between stops.

I've never "boxed" a scope shooting bullets because I cannot shoot 'em under 1/16th MOA to test quarter MOA clicks

Last edited by Bart B.; May 12, 2021 at 03:38 PM.
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