Don Weiss wrote:
>
> In any event, if my theory on TC-lens interaction is correct, when you stack
> TCs, only the one on or closest to the lens will affect the reported effective
> aperture. Canon could have made a much more complex TC, employing
> custom digital circuitry, that would allow arbitrary stacking.
>
> DGW
>
Oops, I just seem to have violated your rights on your patented idea with my
previous posting, sorry ;-)
Thomas Bantel
*
****
*******
***********************************************************
* For list instructions, including unsubscribe, see:
* http://www.a1.nl/phomepag/markerink/eos_list.htm
***********************************************************
