I think it works as well (or as bad) as on a Z1 whic means it should work OK most of the times. You get access to M,Tv,Av,P. Be sure to let the adapter on "A" position just like you have to with regular Pentax lenses.
---------------------- Thibouille ---------------------- *ist-D,Z1,SFXn,SuperA,KX,MX, P30t and KR-10x ...
