Hi Charles That does look quite unusual, especially for a lens stopped down @ f/5.6. I have to shoot large groups once a year for my employer. the 16-50 would be my choice of lens this year, now I'm having some reservations.
Regards, John ________________________________________ From: pdml-boun...@pdml.net [pdml-boun...@pdml.net] On Behalf Of Charles Robinson [charl...@visi.com] Sent: 22 March 2009 01:33 To: Pentax-Discuss Mail List Subject: Re: Lens travel kit dilemma On Mar 21, 2009, at 15:27, Paul Stenquist wrote: > I have almost never seen any evidence of visible CA in DA* 16-50 > files. On the other hand, many FA lenses seem prone to CA when used > in digital applications. However, I have to admit that I haven't > studied FA 35/2 results at a pixel level. Here's my 16-50 from (a couple repairs ago, so maybe I have to try it again now that it's been worked on a few times) from last summer at 100% crop of the upper-right-hand corner. http://charles.robinsontwins.org/photos/2008/imgp2034_crop.jpg Yeah, there's a little bit of CA there! Here's the full shot http://charles.robinsontwins.org/twinsdays/2008/content/IMGP2034_large.html -Charles -- Charles Robinson - charl...@visi.com Minneapolis, MN http://charles.robinsontwins.org -- 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.
