Leica's ASPH ultra-wide for M — 21mm f/2.8 Elmarit with aspherical correction.
The Leica Elmarit-M 21mm f/2.8 ASPH. is Leica's ultra-wide prime for M-mount with aspherical correction. The 21mm provides dramatic wide perspectives — one of the most popular ultra-wide options for M-mount street and architecture.
Optically excellent — ASPH correction provides excellent edge performance at 21mm. The Elmarit f/2.8 designation provides adequate speed for the wide angle. Manual focus with rangefinder coupling. Leica rendering at ultra-wide.
Leica M mount with E55 filter thread. Compact and lightweight for 21mm. Rangefinder coupled. 6-bit coded on recent versions. All-metal construction. The 21mm is the widest common M-mount focal length.
Available used at professional to luxury prices. The 21mm on M-mount is practical — wide enough for dramatic impact without the rangefinder framing challenges of 15mm or 12mm. For Leica M landscape and architecture photography.