N°92312 · Family detail
RicohPortrait·PENTAX K mount·1984
Ricoh Rikenon P 50mm F/1.7
Specifications01
MountPENTAX K
Focal length50mm
Max aperturef/1.7
TypePortrait · Prime
Release year1984
Weight153 g
Filter size52 mm
Min focus distance0.6 m
Aperture blades6
Optical elements6
Groups5
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Pentax K-mount 50mm prime lens with maximum aperture f/1.7 for low-light and general-purpose photography, including portraits and standard field-of-view use.
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Other Mounts03
No alternate mounts are indexed for this family yet.