Ah I didn't know. That said, I don't expect Pentax to drop support for this in their Pro line.
2007/2/27, P. J. Alling <[EMAIL PROTECTED]>: > All 645 lenses are A lenses and are electronically identical to to the > Pentax Ka lens mount. There is no 645 equivalent to a K lens but I > would expect that the 67 lenses would fill that niche. Remember Ka > lenses are supported by all Pentax K DSLRs but using the aperture ring > for full aperture metering isn't. > > Thibouille wrote: > > If the adapter provides the linkage then 645D should meter normally IMO. > > Pentax stated that 645D is compatible with all 645 lenses and the > > DFA55 is announced as being compatible with previous 645 bodies (and > > it has an aperture ring). > > > > So it should (hopefully) be OK. > > > > 2007/2/27, Mark Roberts <[EMAIL PROTECTED]>: > > > >> P. J. Alling wrote: > >> > >> > >>> Mark Roberts wrote: > >>> > >>>> Paul Stenquist wrote: > >>>> > >>>> > >>>>> On Feb 27, 2007, at 3:58 AM, Thibouille wrote: > >>>>> > >>>>> > >>>>>> Mmm BTW do 67 lenses provide mecanical coupling when > >>>>>> used on 645 with adaptor or one you them like M42 on K body ? > >>>>>> > >>>>> When used on the current 645, using a 67 lens would be akin to > >>>>> using an M42 lens on the Pentax digitals. > >>>>> > >>>>> > >>>> A little better than that: The 67-645 adapter does provide > >>>> automatic diaphragm actuation and open aperture metering. At > >>>> least according to the Pentax literature. I'd love to buy one of the > >>>> things if I could ever find one. > >>>> > >>>> > >>> But will it offer open aperture metering on the 645D? > >>> > >> Impossible to say without having a 645D to play with, don't you think? > >> But I'd be surprised if it didn't. > >> > >> > >> -- > >> PDML Pentax-Discuss Mail List > >> PDML@pdml.net > >> http://pdml.net/mailman/listinfo/pdml_pdml.net > >> > >> > > > > > > > > > -- > Entropy Seminar: The results of a five yeer studee ntu the sekend lw uf > thurmodynamiks aand itz inevibl fxt hon shewb rt nslpn raq liot. > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- Thibault Massart aka Thibouille ---------------------- K10D,Z1,SuperA,KX,MX, P30t and KR-10x ;) ... -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
