That information has to be transmitted by the lens, I don't have any direct evidence but based on the fact that Pentax TCs don't transmit corrected focal length information it us highly unlikely Sigma TCs will either.
Patrick Genovese wrote: > One more question... Does the K10D correct the focal length when you > add the Sigma TC ? > > On 8/19/07, Patrick Genovese <[EMAIL PROTECTED]> wrote: > >> I'm going to be needing a long telezoom approx 400mm at the long end >> for nature photography ... the 50-500 seems to be very popular for >> this type of photography. How does it compare with 100-300 + 1.4x TC >> combo ? >> >> Regards >> >> Patrick Genovese >> >> > > > -- Remember, it’s pillage then burn. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

