N°8677414 · Family detail
PentaxTelephoto·PENTAX K mount·1987
Smc Pentax-F* 300mm F/4.5 ED [IF]
Specifications01
MountPENTAX K
Focal length300mm
Max aperturef/4.5
TypeTelephoto · Prime
Release year1987
Weight880 g
Filter size67 mm
Min focus distance2 m
Max magnification0.1701
Aperture blades8
Optical elements9
Groups7
AutofocusYes
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBuilt-in telescopic round
TeleconvertersPentax Rear Converter-A 1.4X-S→ 420mm F/6.3
Pentax 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 300mm focal length and maximum aperture of f/4.5, suitable for sports and wildlife. ED elements and IF design are used for focusing close to infinity.
AI-assisted summary — verify against linked sources![Smc Pentax-F* 300mm F/4.5 ED [IF]](https://i.ebayimg.com/images/g/32YAAeSw8ChqgQkd/s-l1600.jpg)
Other Mounts03
No alternate mounts are indexed for this family yet.