I have used mine a lot on the M* 4/300mm with great reslults. But why use an AF adapter on AF lenses? I'm not sure AF works (well or at all) on an AF lens.
Regards Jens Jens Bladt http://www.jensbladt.dk -----Oprindelig meddelelse----- Fra: Kenneth Waller [mailto:[EMAIL PROTECTED] Sendt: 4. februar 2006 18:08 Til: pentax-discuss@pdml.net Emne: Re: 1.7 XAF SMC Pentax adapter >>Seeking comments about usage/performance on FA lenses. Thanks to all that responded to my request - one of the great things about this list. I was thinking about specifically using it on my 600mm FA & 300mm FA Curious as to what they cost nowadays. Kenneth Waller ----- Original Message ----- From: "Jan van Wijk" <[EMAIL PROTECTED]> Subject: Re: 1.7 XAF SMC Pentax adapter > On Fri, 3 Feb 2006 15:10:45 -0500, Kenneth Waller wrote: > >>Seeking comments about usage/performance on FA lenses. >>Image degradation/auto focus performance etc. > > It is VERY good in my experience. > > I liked mine so much, I got another used one as spare :-) > One is almost permanently on the A 300mm f/2.8 and > the other is used with all the others. > > Works great on MF lenses, and is nice on an AF one > to reduce the AF hunting area (focus limit). > > Quality seems quite good, can hardly see a difference between > this 1.7 one and the two 1.4x or 2x L converters when used on > the 300mm (and 510mm f/5 on the *istD is good for wildlife :-) > > Regards, JvW > > ------------------------------------------------------------------ > Jan van Wijk; http://www.dfsee.com/gallery > >
