N°8677415 · Family detail
PentaxTelephoto·PENTAX K mount·1991
Smc Pentax-FA* 300mm F/4.5 ED [IF]
Specifications01
MountPENTAX K
Focal length300mm
Max aperturef/4.5
TypeTelephoto · Prime
Release year1991
Weight935 g
Min focus distance2 m
Max magnification0.1701
Aperture blades8
Optical elements9
Groups7
AutofocusYes
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodMH-RBC67 - Bayonet-type round
TeleconvertersPentax Rear Converter-A 2X-S→ 600mm F/9
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Pentax K-mount telephoto prime lens with a 300mm focal length and f/4.5 maximum aperture, suitable for sports, wildlife, and distant subjects.
AI-assisted summary — verify against linked sourcesOther Mounts03
No alternate mounts are indexed for this family yet.