N°91390 · Family detail
PentaxPortrait·PENTAX K mount·1983
Smc Pentax-A 50mm F/1.4
Specifications01
MountPENTAX K
Focal length50mm
Max aperturef/1.4
TypePortrait · Prime
Release year1983
Weight235 g
Filter size49 mm
Min focus distance0.45 m
Max magnification0.1499
Aperture blades8
Optical elements7
Groups6
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodPH-R49 - Screw-type round
PH-S49 - Clamp-on rectangular
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Pentax K-mount SMC-A 50mm prime lens with a maximum aperture of f/1.4. Designed for general photography and low-light use, including portraits and shallow depth-of-field effects.
AI-assisted summary — verify against linked sources
Other Mounts03
No alternate mounts are indexed for this family yet.