Originally posted by kevinschoenmakers It's quite clever in that every owner of FF pentax lenses is now able to buy an FF dSLR. This could hurt Pentax if they get it right.
I think it's not so simple. From what I read:
"Same K mount and lens-film distance, with new obturator system (no electronic shutter), EVF, autofocus system, fullframe sensor and lenses.
A system completely electronic with new design lenses"...
...I get that they are using the classic K-mount (free to use) "with new AF sistem" and "completely electronic". I guess that could mean that there will be no KAF contacts, no AF screwdrive shaft, with new electronic contact to power AF and allow talks of camera and lens.
That way, a simple tube-adapter would have allowed same compatibility with Pentax lenses, allowing at the same time the use of other adapter for Leica M and R, Zeiss, Nikon, Canon EOS and FD, Sony/Minolta, Minolta MD, Olympus OM lenses...