Hello Amita, You may think again. I believe that AF converters have a reduction gear inside to be able to drive the lens with that little bitty motor in the camera. So when you disengage the camera body AF, it still feels heavier. It actually turns just not as smooth as the lens alone.
-- Best regards, Bruce Thursday, March 3, 2005, 6:40:40 PM, you wrote: AG> I went to B&H tonight to look at the Kenko 2x AF Teleplus MC7 Teleconverter. AG> It seemed ok; the only thing that was odd was that I couldn't manually focus AG> the lens with the telecoverter attached even when I switched to manual focus AG> on the body. The lens seemed to be still controlled by a motor even when we AG> took the combination off the body. The salesman said this had something to AG> do with "magnets", but I don't believe it. I didn't notice an AF/MF switch AG> on the teleconverter. We tried a different teleconverter and the same thing AG> happened. AG> So, are there AF TCs out there that allow you to manually focus, or am I out AG> of luck there? Any ideas on what was happening in this case? AG> Thanks, AG> Amita

