On Dec 4, 2010, at 7:15 PM, P. J. Alling wrote: > On 12/2/2010 6:48 PM, Eric Weir wrote: >> On Dec 2, 2010, at 11:21 AM, Igor Roshchin wrote: >> >>> I like both TC's. However, since I got my hands on the 1.7X AF, >>> I prefer it. The AF adds some convenience. >>> >> Dumb question now. I think I know the answer without thinking about it very >> hard. Nevertheless: Can a teleconverter add functionality to a lenses, e.g., >> give on-camera control of aperture to an M lens? > > A properly designed one could, but any currently available? Err no. The AF > 1.7x adapter does add limited auto focus to even M42 .lenses however.
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