purple fringing is a different phenomena than CA JC OCONNELL [EMAIL PROTECTED]
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Sunday, July 13, 2008 3:48 PM To: Pentax-Discuss Mail List Subject: RE: DA 55-300 LBA I thought purple fringing - understood as Chromatic Aberration is a lens issue - caused by the fact, that different coloured light act differently when passing through glas: http://en.wikipedia.org/wiki/Chromatic_aberration Regards Jens > I thought purple fringing was a sensor, not lens issue. ??? > > JC OCONNELL > [EMAIL PROTECTED] > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of William Robb > Sent: Sunday, July 13, 2008 2:04 PM > To: Pentax-Discuss Mail List > Subject: Re: DA 55-300 LBA > > > > ----- Original Message ----- > From: "Toine" > Subject: DA 55-300 LBA > > >> After a small price drop I couldn't resist the new 55-300 any longer. >> A very nice lens. Lots of plastic fantastic but it feels well build. >> The lens doesn't creep like the 80-320. The 16-45 feels cheaper. >> Image quality is very good. Corner sharpness could improve a little. >> The MTF program line wants 5.6 @ 55mm [EMAIL PROTECTED] [EMAIL PROTECTED] >> [EMAIL PROTECTED] >> and [EMAIL PROTECTED] The results at these apertures are excellent and >> most suprising 300 mm is very good at f8 even at 1.2 mm, it doubles >> as a nice macro lens. Didn't try wide open. Sometimes a little CA and >> if visible repairable in lightroom. Purple fringing is allmost non >> existing. The 16-45 has much more CA and purple fringing problems. It >> comes with a nice hood and pouch. > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > 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 PDML@pdml.net 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 PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
