Porst 55/1.2
Niblue has one of those, I guess, and he seems to like it. Nevertheless, the Pentax-K 50mm F/1.2 is going for very affordable prices on the Bay. I sold mine a couple of months ago for less than that value (and now I kind of regret it... but the money for the 77mm had to come from somewhere).
Remember that ultrafast manual focus lenses are very hard to focus when wide open... it seems easy on the viewfinder, but you usually have only a few milimeters of DOF to play with at 1.2... that was the other reason I sold mine.
Have fun!
I haven't had any problem accurarely focusing it with the DS or K10D and I mostly use mine wide open.
karmazyniello
Member
Greetings