This sounds very odd. I would have thought that it worked like the 1.7x Pentax-F, which means that the lenses inside will slide back and forth when auto focusing is activated. I would believe that the AF mechanism of the converter should not be connected with the AF-rod of the camera lens - at least it isn't on the Pentax-F 1.7 AF Adapter. I only have the manual (KAX) version, which works lika any othe teleconverter,s except the magification is adjustable.
Regards Jens Bladt mailto:[EMAIL PROTECTED] http://hjem.get2net.dk/bladt -----Oprindelig meddelelse----- Fra: Amita Guha [mailto:[EMAIL PROTECTED] Sendt: 4. marts 2005 03:41 Til: [email protected] Emne: AF teleconverters I went to B&H tonight to look at the Kenko 2x AF Teleplus MC7 Teleconverter. It seemed ok; the only thing that was odd was that I couldn't manually focus the lens with the telecoverter attached even when I switched to manual focus on the body. The lens seemed to be still controlled by a motor even when we took the combination off the body. The salesman said this had something to do with "magnets", but I don't believe it. I didn't notice an AF/MF switch on the teleconverter. We tried a different teleconverter and the same thing happened. So, are there AF TCs out there that allow you to manually focus, or am I out of luck there? Any ideas on what was happening in this case? Thanks, Amita

