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Old 10-08-2010, 01:07 PM
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dugnsuz (Doug)
to baldly go...

dugnsuz is offline
Join Date: Aug 2005
Location: Hahndorf, South Australia
Posts: 4,200
Originally Posted by bojan View Post
Still, for astro-photography, even from there it is very hard to extract important information (like resolution at corners, which is essential for astro work). has a good test page (not stars unfortunately, but edge sharpness is discernible) where one can view edge versus centre comparisons for various different lenses. And, you can A/B 2 different lenses.

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