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Old Oct 25, 2006, 1:23 PM   #6
Senior Member
Join Date: Aug 2006
Posts: 1,066

beside DoF which small sensor cams dont have an abundance of..
most lenses perform at different levels but
you can expect a lens to hold its cripness a few stops above wide open
its unusual to get much better 3 stops above wide open, but unusual things happen
most lenes are soft wide open


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