On Wed, May 21, 2008 at 12:41:40AM +0000, [EMAIL PROTECTED] wrote: > You can induce purple fringing with any lens on a digital sensor. Just shoot > dark branches against a white sky.
Or a fluorescent tube against a dark background ... > 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 > > > > -- > > PDML Pentax-Discuss Mail List > > [email protected] > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > to UNSUBSCRIBE from the PDML, please visit the link directly above and > > follow > > the directions. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

