N°203557 · Family detail
LeicaWide·LEICA M mount·2011
Leica Super-Elmar-M 21mm F/3.4 ASPH.
Specifications01
MountLEICA M
Focal length21mm
Max aperturef/3.4
TypeWide · Prime
Release year2011
Weight263 g
Filter size46 mm
Physical length43 mm
Min focus distance0.7 m
Max magnification0.0336
Aperture blades9
Optical elements8
Groups7
AutofocusNo
StabilizationNo
Aperture controlAperture ring
Lens hood12465 - Screw-type rectangular
EraDigital era
Additional Info02
Lens TypeUltra-wide angle prime lens
Summary02
Leica M rangefinder wide-angle prime lens with a 21mm focal length and f/3.4 maximum aperture, intended for general wide-angle photography on Leica M-mount bodies. Fixed aperture rating is f/3.4.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Leica M mount has a flange distance of 27.8 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Some wide-angle M lenses show colour shifts or soft corners on digital sensors.
- Sony EAdapter · 9.8 mm
- Canon RFAdapter · 7.8 mm
- Nikon ZAdapter · 11.8 mm
- Fujifilm XAdapter · 10.1 mm
- L-MountAdapter · 7.8 mm
- Micro Four ThirdsAdapter · 8.55 mm
- Canon EF-MAdapter · 9.8 mm
No plain adapter reaches infinity focus on: Fujifilm G (GFX), Canon EF, Nikon F.

Other Mounts03
No alternate mounts are indexed for this family yet.