N°102157 · Family detail
PentaxTelephoto·PENTAX K mount·1993
Smc Pentax-FA* 300mm F/2.8 ED
Specifications01
MountPENTAX K
Focal length300mm
Max aperturef/2.8
TypeTelephoto · Prime
Release year1993
Weight2495 g
Filter size112 mm
Min focus distance2 m
Max magnification0.1701
Aperture blades8
Optical elements10
Groups7
AutofocusYes
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodMH-RA112 - Screw-type round
TeleconvertersPentax Rear Converter-A 1.4X-L→ 420mm F/3.9
Pentax Rear Converter-A 1.4X-S→ 420mm F/3.9
Pentax Rear Converter-A 2X-L→ 600mm F/5.6
Pentax Rear Converter-A 2X-S→ 600mm F/5.6
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Pentax K-mount prime telephoto lens with a 300mm focal length and f/2.8 maximum aperture. Designed for low-light and sports/wildlife shooting with fast subject isolation.
AI-assisted summary — verify against linked sources
Other Mounts03
No alternate mounts are indexed for this family yet.