N°90266 · Family detail
CosinaWide·LEICA M mount·2012
Cosina Voigtlander Ultron 21mm F/1.8 ASPH VM
Specifications01
MountLEICA M
Focal length21mm
Max aperturef/1.8
TypeWide · Prime
Release year2012
Weight412 g
Filter size58 mm
Min focus distance0.5 m
Aperture blades10
Optical elements13
Groups11
AutofocusNo
StabilizationNo
Aperture controlAperture ring
Lens hoodBuilt-in petal-shaped
EraDigital era
Production statusIn production
Additional Info02
Lens TypeUltra-wide angle prime lens
Summary02
Voigtländer Ultron 21mm f/1.8 ASPH is a Leica M mount wide-angle prime designed for general wide views and low-light shooting. Fixed 21mm focal length with a maximum aperture of f/1.8.
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.