I recommend to read results of MTF 50(%) only as MTF 20 is simply considered almost meaningless for the low contrast and inadequate image fidelity that the lens renders.
Does the DAL 35 performs well enough, then? How about its resolution at the frame centre and at the corners? Does it perform very differently on K-5 against the old K-7?
It's your take now! I won't spoil the results this time! (So as to avoid any further arguments! ;-))
Besides, speaking of the K-5, the Japanese K-5 catalogue has been out and is now available for download at the Japanese official homepage, here it is:-
Monday, November 15, 2010