N°89802 · Family detail
PentaxPortrait·PENTAX K mount·1983
Smc Pentax-A 50mm F/1.2
Specifications01
MountPENTAX K
Focal length50mm
Max aperturef/1.2
TypePortrait · Prime
Release year1983
Weight345 g
Filter size52 mm
Min focus distance0.45 m
Max magnification0.1499
Aperture blades9
Optical elements7
Groups6
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodRH-RA52 - Screw-type round
TeleconvertersPentax Rear Converter-A 1.4X-S→ 70mm F/1.7
Pentax Rear Converter-A 2X-S→ 100mm F/2.4
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Pentax K-mount 50mm prime lens with a maximum aperture of f/1.2, intended for low-light and portrait-style shooting with a standard field of view.
AI-assisted summary — verify against linked sources
Other Mounts03
No alternate mounts are indexed for this family yet.