The definitive Leica M standard lens, Summicron 50mm f/2 ROM with extraordinary rendering in a compact package.
The Leica Summicron-M 50mm f/2 (ROM) is the modern-production standard prime for the Leica M mount with ROM (6-bit) coding. The Summicron-M 50mm f/2 is Leica's reference standard prime — one of the most continuously produced Leica lens designs. Leica M mount.
f/2 maximum aperture. 50mm focal length (full-frame standard prime). ROM 6-bit coding. Rangefinder-coupled. At approximately 240g. Leica M mount.
The Summicron-M 50mm ROM is the contemporary production version — the ROM coding enables digital M bodies to identify the lens and apply correction profiles. The Summicron-M 50mm f/2 has been in production since 1953 across multiple versions; the ROM version represents the current or recent production generation.
On the used market the Leica Summicron-M 50mm f/2 (ROM) is a highly desirable standard prime. Condition checks: front element, rangefinder coupling accuracy, ROM 6-bit tab condition. Leica M mount.