Leica's standard M-mount 50mm f/2 — earlier version without 6-bit coding for film M bodies.
The Leica Summicron-M 50mm f/2 (Black) is a standard prime for Leica M-mount full-frame, the current Type 5 version of Leica's historic 50mm Summicron. Six elements in 4 groups. Eight aperture blades. 39mm filter thread. At approximately 240g. 0.70m MFD.
Six elements in 4 groups. Eight aperture blades. The 39mm filter thread. At approximately 240g. Minimum focus distance of 0.70m. Manual focus only. f/2 maximum aperture. Full-frame coverage. Leica M mount.
The Summicron-M 50mm f/2 has maintained its optical formula across multiple production generations since the 1950s: the current Type 5 uses a time-proven 6/4 formula that Leica has continuously refined in manufacturing quality but not fundamentally redesigned. The Summicron designation indicates f/2 in Leica nomenclature. The 50mm f/2 is the classic M-system standard prime.
On the used market the Leica Summicron-M 50mm f/2 (Black) is available at Leica M standard prime pricing. Condition checks: focus helicoid smoothness, rangefinder coupling accuracy, 39mm front element for marks. Compatible with all Leica M-mount bodies.