Nice, gentle bokeh.
Lets you 'focus' on the subject with little distraction, which is the whole idea.
Great lens.
keith whaley
Steve Desjardins wrote:
Speaking of the Pentax 50's, the following wild beast
http://home.wlu.edu/~desjardi/
was captured without the aid of AF or high FPS with an A 50 1.7 at 1/125 and f4 (*istD). He turned on me but I fought him off with my monopod.

