i have the 50 M 1.4 i also have the M 1.7 i sujest getting the catz eye split screen with the MF 50s ( i do not have one GRRRRR ) with the short DOF it would be ezer to work with i find that some times i tend to be a hair off becuse the stock focsing on the K10D just is not good enf for the short DOF. i do say at night it is nice having that 1.4

i would LOVE to have a 1.2 (would also like to have the F or FA vertions of these lenes )
some photos with the 1.4
