>>3212343>too soft and low contrast for my tasteMinolta 50mm f1.7 or f1.4 all day every day. The f1.7 is sharper and cheaper.
The Pentax-A 35mm f2 is a fucking gem of a lens too.
In m42, the Zenitar-M (1.7/50mm) and jupiter-11A (4/135mm) are impressively sharp but prone to flare.