You can induce purple fringing with any lens on a digital sensor. Just shoot 
dark branches against a white sky. It never fails. It's unavoidable, and it's 
no reason to dismiss this lens. I expect the FA 200 would fringe even more. In 
fact, based on experience with other earlier lenses, I'm sure it would.
Paul
 -------------- Original message ----------------------
From: John Mustarde <[EMAIL PROTECTED]>
> I'm curious - what is a "centering defect" 
> 
> Photozone shows a flaw in the DA* 200 - purple
> fringing. Bad enough for me to avoid it.
> "Unfortunately the DA* 200mm f/2.8 has quite a problem
> regarding purple fringing. Purple fringing is a
> blooming effect that occurs at extreme contrast
> transitions. The camera sensor has surely a few stakes
> in here but the effect is also dependent on the lens. "
> .
> --
> John Mustarde
> Paris, TX
> 
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