N°103027 · Family detail
VoigtlanderPrime·CANON FD mount
Voigtlander Ultron 40mm F/2 SL
Specifications01
Summary02
Voigtländer Ultron is a 40mm prime lens for Canon FD mount, with a maximum aperture of f/2. It’s intended for general photography such as low-light street and standard-length use.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Canon FD mount has a flange distance of 42 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- FD lenses stay at full aperture until the camera moves a lever on the lens. Use an FD adapter with a ring that moves this lever.
- Sony EAdapter · 24 mm
- Canon RFAdapter · 22 mm
- Nikon ZAdapter · 26 mm
- Fujifilm XAdapter · 24.3 mm
- L-MountAdapter · 22 mm
- Micro Four ThirdsAdapter · 22.75 mm
- Fujifilm G (GFX)Adapter · 15.3 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 24 mm
No plain adapter reaches infinity focus on: Canon EF, Nikon F.

Other Mounts03
This lens family is also indexed in 8 other mounts.
CONTAX/YASHICAView lens
Voigtlander Ultron 40mm F/2 SL
M42View lens
Voigtlander Ultron 40mm F/2 SL
MINOLTA MDView lens
Voigtlander Ultron 40mm F/2 SL
MINOLTA SRView lens
Voigtlander Ultron 40mm F/2 SL
NIKON FView lens
Voigtlander Ultron 40mm F/2 SL
NIKON F DXView lens
Voigtlander Ultron 40mm F/2 SL
OLYMPUS OMView lens
Voigtlander Ultron 40mm F/2 SL
PENTAX KView lens
Voigtlander Ultron 40mm F/2 SL