On 7/23/05, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote:
> Lots of problems.
> - How do you drive the older lenses mechanical linkages?

just as you do in extension tubes

> - More optics in the path means performance degradation.

what "more optics"?

> - Reduced room for an adequate mirror, etc with the "new K" standard
> lenses.

sure, with smaller sensor size. is that a problem?

basically, this is something that has already been done (zoerk adapters
for mf lenses -> 35mm cameras). 

mishka

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