N°354058 · Family detail
Mamiya-SekorFisheye·MAMIYA 645 mount
Mamiya-Sekor C ULD Fisheye 24mm F/4
Specifications01
MountMAMIYA 645
Focal length24mm
Max aperturef/4
TypeFisheye · Wide · Prime
Weight785 g
Physical length81.3 mm
Min focus distance0.305 m
Max magnification0.1401
Aperture blades5
Optical elements10
Groups8
Min aperturef/22
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodBuilt-in petal-shaped
TeleconvertersNot compatible
EraFilm era
Production statusDiscontinued
Additional Info02
ModelC ULD Fisheye
Format645
Series645
Squeezen/a
Lens TypeFisheye lens
Iris DriveManual
Zoom Driven/a
Focus DriveManual
Iris Blades5
Data Protocoln/a
Focus Zoom Rodn/a
Country Of OriginJapan
Summary02
Mamiya-Sekor C ULD 24mm F/4 fisheye lens for the Mamiya 645 system. Fixed focal length fisheye design intended for dramatic wide-angle effects and creative distortion.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Mamiya 645 mount has a flange distance of 63.3 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Sony EAdapter · 45.3 mm
- Canon RFAdapter · 43.3 mm
- Nikon ZAdapter · 47.3 mm
- Fujifilm XAdapter · 45.6 mm
- L-MountAdapter · 43.3 mm
- Micro Four ThirdsAdapter · 44.05 mm
- Fujifilm G (GFX)Adapter · 36.6 mm
- Canon EF-MAdapter · 45.3 mm
- Canon EFAdapter · 19.3 mm
A rear element that sticks out can hit the camera mirror.
- Nikon FAdapter · 16.8 mm
A rear element that sticks out can hit the camera mirror.
Other Mounts03
No alternate mounts are indexed for this family yet.