N°92563 · Family detail
CimaPortrait·PENTAX K mount·1978
Cima Kogaku AM Topcor 55mm F/1.7
Specifications01
MountPENTAX K
Focal length55mm
Max aperturef/1.7
TypePortrait · Prime
Release year1978
Weight205 g
Filter size52 mm
Min focus distance0.6 m
Aperture blades6
Optical elements6
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Summary02
Cima Kogaku AM Topcor 55mm F1.7 is a Pentax K-mount standard prime lens intended for general photography. It has a fixed wide maximum aperture for low-light use and shallow depth of field.
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
thelensdb.comVisit ↗
Other Mounts03
No alternate mounts are indexed for this family yet.