Hi Godfrey, I doubt it. The M series was a major redesign from the K, and the look I get from the K50/1.4 and the M50/1.4 is different.
As far as I can recall,, there was never a K50/1.7, so your comment doesn't seem right on that point, either. Shel > [Original Message] > From: Godfrey DiGiorgi > the M and K should be identical optically, the A, F and FA versions > identical optically. I've never owned any other Pentax 50/1.4 so I > can't compare. > > The f/1.7 versions are supposed to be the same, optically, from the K > through the FA. I know the A and F versions render identically.
