N°99450 · Family detail
Mir-1APrime·PENTAX K mount

Mir-1A 37mm F/2.8

Specifications01

Focal length37mm
Max aperturef/2.8
TypePrime

Summary02

Mir-1A 37mm F/2.8 is a manual-focus mirror lens for the Pentax K mount. It’s a short telephoto/normal-length optic commonly used for low-light and creative effects, with a fixed maximum aperture of f/2.8.

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Specifications from kentfaith

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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