That's simply not the case. My D300 does CDAF just fine with screwdriver-drive AF lenses from the late 80's as well as lens-motor AF-S lenses from both before and after Nikon introduced CDAF with Live View on its DSLR's. Oly bungled the spec.
-Adam On Sat, Sep 13, 2008 at 3:53 AM, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: > CDAF requires much more out of a lens focus servo than phase detect AF > for responsive operation. CDAF could not have been foreseen as a part > of the original 4/3 System specification. > > A 20mm f/1.7 is on the lens roadmap. It's unknown as to how much Leica > is going to be involved ... I hope they do, but I know from good > sources that they haven't been particularly happy with the Panasonic > collaboration on this for a bit. But I'm sure Panasonic understand the > strength of good lenses and will do the right thing ... ! > > Imaging-resource.com has another good article on the camera. > > Godfrey > > On Sep 12, 2008, at 5:57 PM, Adam Maas wrote: > >> The AF thing is a problem with the original 4/3rds spec, when they >> introduced Contrast-detect AF they didn't do it in a fashion that's >> compatible with most 4/3rds lenses. The limitation also applies to the >> E-520 and E-420 when using contrast-detect AF as well. >> >> I'm interested in this thing but I would have preferred a more >> RF-style body on a camera this small. >> >> Interesting to also note that the new Panny lenses are NOT Leica's, >> all of their previous 4/3rds lenses were Leica. Damn, and I was hoping >> for a 17-20mm f2 Summicron and 35-40mm f2 Summicron. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- M. Adam Maas http://www.mawz.ca Explorations of the City Around Us. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
