N°435494 · Family detail
SigmaMirror·CANON FD mount·1982
Sigma MF 400mm F/5.6 Mirror Multi Coated
Specifications01
MountCANON FD
Focal length400mm
Max aperturef/5.6
TypeMirror · Telephoto · Prime
Release year1982
Weight625 g
Filter size86 mm
Min focus distance2 m
Max magnification0.2326
Optical elements7
Groups7
AutofocusNo
StabilizationNo
Aperture controlNone
Lens hoodScrew-type round
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Summary02
Sigma 400mm F/5.6 mirror lens for Canon FD mount. A long telephoto mirror design intended for distant subjects; f/5.6 fixed maximum aperture.
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.
Sources03
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Other Mounts03
No alternate mounts are indexed for this family yet.