Thanks for cluing me in on that! I've been dreaming about that lens for a long time but I guess I wasn't very well informed about it's actual capabilities.
Regards, Francis Kamiel Wanrooij wrote: > Hi, > > Regarding the 500/4.5 from Pentax. I have the lens (there is one for sale in > the Netherlands for around € 500) and must say I am not that satisfied > regarding sharpness and CA. Might be my focusing skills, but I never managed > to get a 'crisp' image out of the lens. Also, in almost every image clear > purple/blue/green edges can be seen when looking closely. Although a long, > big lens for an affordable price, and it really helps me get the shots I > want, it is probably not the best in the (price)range. I have no experience > with the 400/5.6 though... > > Just wanted to share my experiences. > > Regards, > > Kamiel Wanrooij > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Sessoms > Sent: Monday, June 04, 2007 5:53 PM > To: pdml@pdml.net > Subject: Re: ¿¿ 400mm f5.6 ?? (Bird lens) > >> 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. > > > > ------------------------------------------------------------------------ > > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.472 / Virus Database: 269.8.7/830 - Release Date: 6/3/2007 12:47 > PM -- Island Light photography www.islandlight.ca (250) 935-6785 PO BOX 241 Mansons Landing BC Canada -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
