Sharp from edge to edge. Wide aperture. No distortion. Compact. Smooth manual focus ring. Integrated lens hood.

Expensive. Close focus limited to 1 meter. Lacks optical stabilization and autofocus.

Aside from the money required to call the Leica APO-Summicron-M 90mm f/2 ASPH. your own, there's nothing to complain about with the lens. The maximum f/2 aperture provides excellent control over depth of field, and the lens is very sharp from edge to...