N°107550 · Family detail
PentaxZoom·PENTAX K mount·1985
Smc Pentax-A 28-80mm F/3.5-4.5
Specifications01
MountPENTAX K
Focal length28-80mm
Max aperturef/3.5
TypeZoom
Release year1985
Weight355 g
Filter size58 mm
Min focus distance0.8 m
Aperture blades5
Optical elements12
Groups9
Min aperturef/4.5
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodRH-RC58 - Screw-type round
RH-B60 - Clamp-on round
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard zoom lens
Field Notes02
Pentax K-mount zoom lens with a 28–80mm focal range and variable maximum aperture of f/3.5–4.5. Designed for general-purpose photography.
AI-assisted summary — verify against linked sourcesOther Mounts03
No alternate mounts are indexed for this family yet.