On Fri, 21 Feb 2003 22:12:47 -0500, you wrote: > >Other than the program mode Ricohs, the only lens I know of that cannot be >used on newer bodies is the Vivitar S1 70-200 f3.5, which has an extra long >flange near the lever that connects to the lens aperture. That flange hits >the power zoom contacts in newer bodies. > >The are probably other incompatible lenses out there, though. > The Vivitar Series 1 90-180/f4.5 Flat Field Zoom has this same over-sized flange. It would hit the powerzoom contacts of a PZ1p.
However, it is a minor affair of twenty minutes or so to gently cut/file it to match the flange on a genuine Pentax K-mount lens. No disassembly required, just a flat file and some covering and care to keep the filings from going everywhere. -- John Mustarde www.photolin.com
