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06-14-2008, 05:39 PM   #5
clm
Pentaxian





Sigma 100-300 sample

Here is a sample and some 100% crops, if I did it right. Nothing special, no sunshine here either.
K200D
SR on
300mm
f4
1/250 second


Center crop:


Edge crop:


Even wide open with cloudy sky in the background, there is no purple fringing at all.