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Old April 10, 2021, 03:26 PM   #78
Bart B.
Senior Member
Join Date: February 15, 2009
Posts: 8,608
'Tis my opinion that mechanical quality is much more important than optical quality. Especially for variable power scopes.

Does your variable power scope pass a hysteresis test at both ends of the power range? That's a figure 8 path the reticle makes as the zoom changes direction. It's a common problem.

Too bad scope's image quality is not measured the same way camera lenses are. It's easy enough to do with a digital image sensor in their second image plane. Focus accuracy can easily be measured to see if any error is present that can cause parallax issues.

Last edited by Bart B.; April 12, 2021 at 12:20 PM.
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