N°180662 · Family detail
SigmaZoom·PENTAX K mount

Sigma 50-500mm F/4.5-6.3 APO DG OS HSM

Specifications01

Focal length50-500mm
Max aperturef/4.5
TypeZoom

Summary02

Sigma 50-500mm variable-aperture zoom for Pentax K-mount, covering standard to super-telephoto focal lengths. Designed for general and long-distance use with OS image stabilization and HSM autofocus.

AI-assisted summary — verify against linked sources

Specifications from lensdb

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

lens-db.comVisit ↗
kentfaith.esVisit ↗
allphotolenses.comVisit ↗