N°109915 · Family detail
MamiyaFisheye·MAMIYA RB67 mount

Mamiya-Sekor C 37mm F/4.5 Fisheye

Specifications01

Focal length37mm
Max aperturef/4.5
TypeFisheye · Prime
Weight1240 g
Filter size40.5 mm
Min focus distance0.257 m
Optical elements9
Groups6
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodBuilt-in petal-shaped
TeleconvertersNot available
EraFilm era
Production statusDiscontinued

Additional Info02

Lens TypeFisheye lens

Summary02

37mm F4.5 fisheye prime lens for the Mamiya RB67 medium-format system. Intended for fisheye ultra-wide effects and creative, highly distorted perspectives.

AI-assisted summary — verify against linked sources

Specifications from thelensdb

Where can this lens be adapted?

The Mamiya RB67 mount has a flange distance of 112 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

  • Most lenses for this mount have a leaf shutter. The adapter must hold the shutter open.
  • Sony EAdapter · 94 mm
  • Canon RFAdapter · 92 mm
  • Nikon ZAdapter · 96 mm
  • Fujifilm XAdapter · 94.3 mm
  • L-MountAdapter · 92 mm
  • Micro Four ThirdsAdapter · 92.75 mm
  • Fujifilm G (GFX)Adapter · 85.3 mm
  • Canon EF-MAdapter · 94 mm
  • Canon EFAdapter · 68 mm

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

  • Nikon FAdapter · 65.5 mm

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

Sources03

thelensdb.comVisit ↗
lens-db.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.