N°92324 · Family detail
ZykkorPortrait·PENTAX K mount
Zykkor 50mm F/1.7
Specifications01
Summary02
50mm prime lens for the Pentax K mount, with a maximum aperture of f/1.7 for low-light and shallow depth-of-field use.
AI-assisted summary — verify against linked sourcesWhere 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.

Other Mounts03
This lens family is also indexed in 9 other mounts.
CANON FDView lens
Zykkor 50mm F/1.7
CONTAX/YASHICAView lens
Zykkor 50mm F/1.7
KONICA ARView lens
Zykkor 50mm F/1.7
M42View lens
Zykkor 50mm F/1.7
MINOLTA MDView lens
Zykkor 50mm F/1.7
MINOLTA SRView lens
Zykkor 50mm F/1.7
NIKON FView lens
Zykkor 50mm F/1.7
NIKON F DXView lens
Zykkor 50mm F/1.7
OLYMPUS OMView lens
Zykkor 50mm F/1.7