N°99636 · Family detail
RicohPrime·PENTAX K mount·1980
Ricoh XR Rikenon 55mm F/2.2
Specifications01
MountPENTAX K
Focal length55mm
Max aperturef/2.2
TypePrime
Release year1980
Weight140 g
Filter size52 mm
Min focus distance0.8 m
Aperture blades5
Optical elements4
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Pentax K-mount standard prime lens with a 55mm focal length and maximum aperture of f/2.2 for general photography such as portraits and everyday use.
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Other Mounts03
No alternate mounts are indexed for this family yet.