Leica sold the 40mm Summicron-C in the 1970s as the standard lens for the compact CL film camera, but there are no frame lines to support it in any M series camera, film or digital. The lens has ...

The Panasonic 15mm f/1.7 Leica Summilux DG ASPH is a great little lens for nature subjects — including astrophotography — thanks to a 30mm equivalent focal length and great image quality.

Of course, there are exceptions to this rule of thumb, but with the Panasonic Leica DG Elmarit 200mm f/2.8 POWER O.I.S you really are getting a lens that performs at a high level. Like most Micro ...