Sigma 300mm F/2.8 APO EX [HSM]

Specifications01

MountCANON EF

Focal length300mm

Max aperturef/2.8

TypeTelephoto · Prime

Release year1999

Weight2300 g

Min focus distance2.5 m

Max magnification0.1333

Aperture blades9

Optical elements11

Groups9

AutofocusYes

StabilizationNo

Aperture controlNone The aperture is controlled from the camera(Canon EF, Minolta/Sony A, Sigma SA) Aperture ring (Manual settings + Auto Exposure setting)(Nikon F, Pentax K)

TeleconvertersSigma APO Tele Converter 1.4X EX→ 420mm F/3.9 Sigma APO Tele Converter 1.4X EX DG→ 420mm F/3.9 Sigma APO Tele Converter 2X EX→ 600mm F/5.6 Sigma APO Tele Converter 2X EX DG→ 600mm F/5.6

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeSuper telephoto prime lens

Field Notes02

Sigma 300mm F/2.8 APO EX HSM is a Canon EF mount telephoto prime lens with a wide f/2.8 maximum aperture, intended for low-light and sports/wildlife use.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb