Episode 29 of the Macfilos series, The M Files, reviews the Zeiss ZM C lenses, Biogon 21/4.5; 35/2.8; 50/1.5. Basis is real life experience with Leica digital rangefinder camera M10.
The Voigtländer Nokton 28/1.5 and APO-Ultron 90/2.0 lenses are a capable kit for travelling. Episode 28 of the M Files takes them through their paces.
One of the major attractions of Leica's venerable M system is the astonishingly wide range of lenses, not just from Leica but from some of the best-known names in the history of lens technology...