N°411466 · Family detail
PorstMirror·PENTAX K mount
Porst Color Reflex Auto 55mm F/1.2 MC F Type 2
Specifications01
MountPENTAX K
Focal length55mm
Max aperturef/1.2
TypeMirror · Portrait · Prime
Weight325 g
Min focus distance0.6 m
Aperture blades8
Optical elements7
Groups6
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Production statusDiscontinued
Additional Info02
Lens TypePrime lens
Summary02
55mm f/1.2 manual-focus mirror lens for the Pentax K mount (Type 2), intended for portrait and low-light use where a compact, fixed focal length is preferred.
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.
Sources03
thelensdb.comVisit ↗
Other Mounts03
No alternate mounts are indexed for this family yet.