N°100549 · Family detail
CosinaWide·PENTAX K mount·1981

Cosina Cosinon-W 24mm F/2.8 MC

Specifications01

Focal length24mm
Max aperturef/2.8
TypeWide · Prime
Release year1981
Weight165 g
Filter size49 mm
Min focus distance0.25 m
Aperture blades5
Optical elements7
Groups7
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued

Additional Info02

Lens TypeWide-angle prime lens

Summary02

Cosina Cosinon-W 24mm f/2.8 MC is a Pentax K-mount wide-angle prime lens for general wide views and low-light use, with a maximum aperture of f/2.8. “MC” indicates multicoating.

AI-assisted summary — verify against linked sources

Specifications from thelensdb

Where can this lens be adapted?

The Pentax K mount has a flange distance of 45.46 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

  • Pentax DA and FA J lenses have no aperture ring. Use an adapter with its own aperture control.
  • Pentax DA lenses are made for APS-C.
  • Sony EAdapter · 27.46 mm
  • Canon RFAdapter · 25.46 mm
  • Nikon ZAdapter · 29.46 mm
  • Fujifilm XAdapter · 27.76 mm
  • L-MountAdapter · 25.46 mm
  • Micro Four ThirdsAdapter · 26.21 mm
  • Fujifilm G (GFX)Adapter · 18.76 mm
  • Canon EF-MAdapter · 27.46 mm
  • Canon EFAdapter · 1.46 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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Other Mounts03

No alternate mounts are indexed for this family yet.