N°91654 · Family detail
RicohPortrait·PENTAX K mount·1977
Ricoh XR Rikenon 50mm F/1.4
Specifications01
MountPENTAX K
Focal length50mm
Max aperturef/1.4
TypePortrait · Prime
Release year1977
Weight260 g
Filter size52 mm
Min focus distance0.45 m
Aperture blades8
Optical elements7
Groups6
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Pentax K-mount 50mm prime lens with a maximum aperture of f/1.4, intended for general photography and low-light use. Designed for normal-angle coverage on APS-C or full-frame Pentax K bodies.
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Other Mounts03
No alternate mounts are indexed for this family yet.