Carl ZEISS Milvus 2/50M

Very sharp, even at f/2. Superb all-metal build. Protected from dust and splashes. 1:2 macro magnification. Available for Canon and Nikon SLRs.

Shows some barrel distortion. Edges lag behind center in crispness. Dim corners at wide apertures. Manual focus isn't for everyone. Pricey.

Conclusions On the whole, the Milvus lens line is a strong one, delivering sharp images across the board and truly excellent build quality. Photographers who prefer the feel of a mechanical manual focus lens—and appreciate glass that is protected by a...