N°200239 · Family detail
CosinaPortrait·PENTAX K mount·1979
Cosina Cosinon-S 50mm F/2
Specifications01
MountPENTAX K
Focal length50mm
Max aperturef/2
TypePortrait · Prime
Release year1979
Weight165 g
Filter size49 mm
Min focus distance0.5 m
Aperture blades6
Optical elements6
Groups5
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Cosina Cosinon-S is a 50mm prime lens for the Pentax K mount, with a maximum aperture of f/2. It’s suited to general and portrait use due to the normal focal length and bright aperture.
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Other Mounts03
No alternate mounts are indexed for this family yet.