Here's a tracking test with a $300 Leapers scope.
This scope has all the features: dialling, parallax, SFP mil dot reticle (calibratd at 10x), illumination, rated for spring airguns.
The scope on a JW15 Norinco 22 :
Here's a tracking test target:
Here's calculations showing the percent error (adjustment factor needed):
and just for good measure a test at different magnifications:
Photos reposted from an earlier thread, now I've paid ransom to Photobucket.
Can't complain - they hosted them free for years.
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