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

Catalog note · source: thelensdb

Sources03

thelensdb.comVisit ↗

lens-db.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.