N°98440 · Family detail
SigmaTelephoto·PENTAX K mount

Sigma AF 170-500mm F/5-6.3 APO DG

Specifications01

Focal length170-500mm
Max aperturef/5
TypeTelephoto · Zoom

Summary02

Sigma 170-500mm zoom lens for Pentax K-mount, with a variable maximum aperture of about f/5-6.3. Intended for telephoto reach, such as wildlife or sports.

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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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