N°1017955 · Family detail
CosinaPrime·CONTAX/YASHICA mount

Cosina Voigtlander Ultron 40mm F/2 ASPH SL

Specifications01

Focal length40mm
Max aperturef/2
TypePrime

Summary02

Cosina Voigtlander Ultron is a 40mm prime lens with maximum aperture f/2 for Contax/Yashica mount. Intended for general-purpose use and low-light capable shooting.

AI-assisted summary — verify against linked sources

Specifications from lensdb

Where can this lens be adapted?

The Contax / Yashica mount has a flange distance of 45.5 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

  • Sony EAdapter · 27.5 mm
  • Canon RFAdapter · 25.5 mm
  • Nikon ZAdapter · 29.5 mm
  • Fujifilm XAdapter · 27.8 mm
  • L-MountAdapter · 25.5 mm
  • Micro Four ThirdsAdapter · 26.25 mm
  • Fujifilm G (GFX)Adapter · 18.8 mm

    Covers full-frame: it can vignette on a medium format sensor.

  • Canon EF-MAdapter · 27.5 mm
  • Canon EFAdapter · 1.5 mm

    A rear element that sticks out can hit the camera mirror.

No plain adapter reaches infinity focus on: Nikon F.

Sources03

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