N°102932 · Family detail
CanonTelephoto·CANON EF mount·1996
Canon EF 400mm F/2.8L II USM
Specifications01
MountCANON EF
Focal length400mm
Max aperturef/2.8
TypeTelephoto · Prime
Release year1996
Weight5910 g
Min focus distance4 m
Max magnification0.1099
Aperture blades8
Optical elements11
Groups9
AutofocusYes
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera
Lens hoodET-161BII - Clamp-on round
TeleconvertersCanon Extender EF 1.4X II→ 560mm F/3.9
Canon Extender EF 1.4X III→ 560mm F/3.9
Canon Extender EF 2X II→ 800mm F/5.6
Canon Extender EF 2X III→ 800mm F/5.6
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Canon EF 400mm f/2.8L II USM prime telephoto lens for Canon EF mount cameras, intended for low-light sports/wildlife and shallow depth-of-field work. Fixed 400mm focal length with f/2.8 maximum aperture.
AI-assisted summary — verify against linked sources
Other Mounts03
No alternate mounts are indexed for this family yet.