In theory I agree, however the 300mm f/4 screw mount I had on a DL was heavy enough to cause some torqueing that I was uncomfortable with. Of course, I was also using one of the cheapie Hong Kong adapters at first.
Walt On Thu, Nov 27, 2008 at 10:26 AM, David Savage <[EMAIL PROTECTED]> wrote: > Shouldn't be an issue. > > With big lenses the camera hangs off them, not the other way around. > > Cheers, > > Dave > > 2008/11/28 Walter Hamler <[EMAIL PROTECTED]>: >> Jim, I think that the 500mm that was modified was a screw mount lens. >> I know the one that I saw locally for sale is, and my big concern is >> all that weight hanging on a flimsy M-42 adapter. >> >> Walt >> >>> What am I missing here? My Pentax K500/4.5 mounts just fine on both my >>> K1000 film body and my K20D digital body, with no problem in focusing to >>> infinity. Of course, focusing is manual unless I use my F1.7x AF >>> Teleconverter behind the lens... > > -- > 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. > -- 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.
