N°110326 · Family detail
TokinaTelephoto·CANON EF mount·1991
Tokina AT-X AF SD 400mm F/5.6 Close Focus
Specifications01
MountCANON EF
Focal length400mm
Max aperturef/5.6
TypeTelephoto · Prime
Release year1991
Weight990 g
Filter size72 mm
Min focus distance2.5 m
Max magnification0.1724
Aperture blades8
Optical elements10
Groups8
AutofocusYes
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera(Canon EF, Minolta/Sony A)
Aperture ring (Manual settings + Auto Exposure setting)(Nikon F, Pentax K)
Lens hoodBuilt-in telescopic round
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Tokina AT-X AF SD is a 400mm fixed-focal-length telephoto lens for Canon EF autofocus use at up to f/5.6. It is designed for close focusing for telephoto subject work, such as wildlife or sports.
AI-assisted summary — verify against linked sources
Other Mounts03
This lens family is also indexed in 3 other mounts.