Obvious questions: :-) Did you compare them both at 20mm f/4 on same same subject, same conditions, etc.?
The A was manual focus, the DA is auto focus. Was focus accurte on bothe and were they focussed on the same spot in the image? Tom C. >From: Jack Davis <[EMAIL PROTECTED]> >Reply-To: Pentax-Discuss Mail List <pdml@pdml.net> >To: Pentax-Discuss Mail List <pdml@pdml.net> >Subject: RE: NO FS this Friday?- IMPORTANT INFORMATION REQUESTED >Date: Thu, 8 Feb 2007 12:27:59 -0800 (PST) > >My A-20mm f/2.8 performed extremely poorly at the wide edges. So >distorted and SOFT that I knew I'd never mount it on the K10D again. >Immediately sold it on eBay ($440) to one who shoots only film. >DA 16~45 f/4 edge performance blew it away at 20mm. > >Jack >--- "J. C. O'Connell" <[EMAIL PROTECTED]> wrote: > > > Wrong again, your confusing digital term when > > you should be using APS digital term. > > > > This brings up a VERY important issue and > > I would like to here from everyone who > > has any experience on the matter please, > > > > WHICH PENTAX FF LENSES have you had a problem > > with like WR states here? (and on which dslr > > camera were you having it? 6 or 10MP?), AND > > what DA lens (or other FF lens ) did you get > > to solve the problem if applicable? > > > > jco > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > > Of > > William Robb > > Sent: Thursday, February 08, 2007 2:23 PM > > To: Pentax-Discuss Mail List > > Subject: Re: NO FS this Friday? > > > > > > > > ----- Original Message ----- > > From: "Cory Papenfuss" > > Subject: Re: NO FS this Friday? > > > > > > > > >> > > > Actually, what I took exception to was the implication that the > > > additional features of newer lenses inherently result higher > > quality > > > photographs than are possible with older lenses. > > > > If I implied that, it wasn't intentional. > > I did state (obliquely) that newer lenses may have better optical > > designs > > which may allow them to have better rendering characteristics. I have > > a > > few older lenses which I liked very much on film that are unusable > > in digital because of lens aberations. > > Sorry for the harsh words. > > > > William Robb > > > > > > -- > > PDML Pentax-Discuss Mail List > > PDML@pdml.net > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > > > > > -- > > PDML Pentax-Discuss Mail List > > PDML@pdml.net > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > > > > > >____________________________________________________________________________________ >Looking for earth-friendly autos? >Browse Top Cars by "Green Rating" at Yahoo! Autos' Green Center. >http://autos.yahoo.com/green_center/ > >-- >PDML Pentax-Discuss Mail List >PDML@pdml.net >http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
