N°427584 · Family detail
RicohPortrait·M42 mount
Ricoh Auto Rikenon 50mm F/2
Specifications01
MountM42
Focal length50mm
Max aperturef/2
TypePortrait · Prime
Weight200 g
Filter size52 mm
Min focus distance0.5 m
Aperture blades6
Optical elements6
Groups5
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
TeleconvertersNot available
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Ricoh Auto Rikenon is a 50mm prime lens for M42 screw-mount cameras, with a maximum aperture of f/2. It’s suited for general-purpose use including portraits and low-light work.
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Other Mounts03
No alternate mounts are indexed for this family yet.