N°424521 · Family detail
SigmaZoom·CANON FD mount·1981

Sigma MF 28-50mm F/2.8-3.5

Specifications01

Focal length28-50mm
Max aperturef/2.8
TypeZoom
Release year1981
Weight300 g
Filter size52 mm
Min focus distance0.5 m
Max magnification0.0641
Aperture blades8
Optical elements8
Groups8
Min aperturef/3.5
AutofocusNo
StabilizationNo
Aperture controlAperture ring (with or without Auto Exposure setting)
EraFilm era
Production statusDiscontinued

Additional Info02

Lens TypeStandard zoom lens

Summary02

Sigma 28-50mm zoom lens for Canon FD mount with a variable max aperture of f/2.8–3.5. Intended for general-purpose use, covering wide to short-tele framing.

AI-assisted summary — verify against linked sources

Specifications from thelensdb

Where 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

thelensdb.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.