On Mon, 04 Jun 2007 11:53:08 -0400, John Sessoms wrote > > > > From: > > Doug Franklin > > John Whittingham wrote: > > > > > >> > If it need not necessarily be a genuine Pentax lens I would recommend the > >> > Sigma 400 f/5.6 APO, pretty sharp wide open, great build quality, CA should > >> > be non existant as it's an APO lens. There's a test on the Canon fitting > >> > version here: > >> > > >> > http://www.photozone.de/8Reviews/lenses/sigma_400_56/index.htm > >> > > > > I have the Sigma APO 400/5.6 in Pentax K-AF mount and I've been quite > > happy with it. I haven't noticed any particularly tendency toward CA, > > but I haven't looked for it, either. > Where might one find such a beast? It's not in the current Sigma lineup. > > OTOH, Sigma is apparently offering its newer DG 500mm f/4.5 in a > Pentax AF mount (B&H lists it as "New, Arriving Soon). If I > understand, this is a new design that replaces the previous 500 > f/4.5 which Sigma had stopped offering in Pentax mount. > > I have the previous version Sigma 300 f/2.8 and it's a fantastic > lens, especially compared against similar lenses at higher price ... > so if the DG lenses are improved beyond that, they ought to be very > good indeed.
Used market only but relatively inexpensive, I've seen a few in recent times on Ebay UK. AFAIK the Pentax A 400/5.6 is out of production also. The DG 500/4.5 eh, didn't know they'd planned one, sounds great! John ---------------------------------------------------------------------------------------------------- The information transmitted is intended only for the person to whom it is addressed and may contain confidential and/or privileged material. If you have received an email in error please notify Carmel College on [EMAIL PROTECTED] then delete all copies of it from your systems. Although Carmel College scans incoming and outgoing emails and email attachments for viruses we cannot guarantee a communication to be free of all viruses nor accept any responsibility for viruses. Although Carmel College monitors incoming and outgoing emails for inappropriate content, the college cannot be held responsible for the views or expressions of the author. The views expressed may not necessarily be those of Carmel College and Carmel College cannot be held responsible for any loss or injury resulting from the contents of a message. ---------------------------------------------------------------------------------------------------- -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
