> They don't advertise. They must advertise like Nikon and Canon if you ever > want to see USM, IS, DSLR, etc, because then people will know about our > little company called Pentax. Because they do not advertise, they find few > buyers, and that does not help with profits.
Question. USM would require the motors to be in the lens AND a mechanical drive for focus for compatibility - is it really worth it?