[Leica] leica branded lenses

[dennis at hale-pohaku.com (Dennis Painter)]

I remain unconvinced. If properly reverse engineered then a change in the 
Canon body that breaks the Canon mount Leica lens will also break all 
equivalent Canon manufactured Canon lenses.

If users only want auto diaphragm, not auto focus then Leica's reverse 
engineering becomes simpler.


Douglas Herr wrote:

>
> Nathan, a Leica lens dedicated to the EOS mount would be limited to use on 
> the Canon.  If Leica were to pursue this market there would be two 
> choices: Electronic compatability, or manual operation.
>
> In the first case Canon could make a minor change in the camera body 
> electronics to "break" compatability with the lens' electronics, rendering 
> the lens a very expensive paperweight unless all you wanted to use is an 
> older EOS body before the tweak.  Canon has done this to third-party 
> lenses.
>
> In the second case, fully manual operation, a lens dedicated to the Canon 
> EOS mount would be less flexible because it couldn't be used on a Leica-R 
> body, and no more useful on a Canon body than the R-lens plus adapter.
>
> Ditto for the Nikon mount.  This really has been beaten to death.
>
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.com