http://www.photozone.de/pentaxq/688-pentaxq85f19?start=1Well, the distortion is really "extra-ordinary" for a prime! The diffraction comes into play for anything beyond f/4! (This was what I "predicted" long ago!) The most interesting thing on PZ part is that the LW/PH figures are not published anymore, as it is just about 70% as good as the micro-4/3 as briefly and vaguely told but yet it is
