On Mon, 05 May 2008 14:27:04 -0400, P. J. Alling wrote: In my mind, there is a lot of conjecture about the "digital" pin. I believe that it is power for the lens chip. Noone knows what is really going on with all the contacts except pentax. Sigma have reversed enginered the contacts and maybe tamron got the info from pentax.
James >Just a follow up on my earlier serious answer. The 1.7x AF Adapter >lacks the digital data pin, (seen here > at Boz's K >mount technical page), on it's female mount. Without that pin there can >be no communication between the lens and camera, so the camera has no >ability to treat the lens as anything other than an "A" lens. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
