Interesting way to check a lens and find the best or worst copy.
Fellow will make a crowdsourcing campaign if he receives enough interest.
http://www.reduser.net/forum/showthread.php?158004-Let-s-make-STAR-LENS-TESTER-to-get-best-lens-copy-easily-(Airy-disk-PSF-point-source)
Sounds interesting. @bannedindv remind me to write this guy to get one for PV lab.
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