Thanks for the enlightening responses on my CA question.

I have a follow-up. When someone says that a specific lens has CA problems on the *ist 
D, do they mean that it shows color fringing, or just overall softness, or both? 
(E.g., some posts have said that the FA* 24 has CA problems on the *ist D, but I 
haven't noticed it.)
Thanks,

Joe


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