N°93573 · Family detail
SamyangMacro·PENTAX K mount

Samyang 100mm F/2.8 Macro / Rokinon 100mm F/2.8 Macro

Specifications01

Focal length100mm
Max aperturef/2.8
TypeMacro · Telephoto · Prime
Weight720 g
Physical length123 mm
Min focus distance31 m

Summary02

100mm f/2.8 macro prime for Pentax K mount, intended for close-up photography with a relatively bright maximum aperture for detailed subject isolation.

AI-assisted summary — verify against linked sources

Specifications from dpreview

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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