Canon EF 400mm F2.8L IS II USM Specifications

Compatibility:

analog*/digital

Diagonal Angle of View:

6.1°

Maximum Magnification:

1:5.9

Minimum Aperture:

F32

Number of Aperture Blades:

Iris Pattern:

round

Minimum Distance:

270cm

Filter Thread:

52mm via filter holder

Maximum Diameter:

163mm

Length:

343mm

Weight:

3850g

Focus Type:

Ring-USM, IF, Power Focus

Dual Pixel CMOS AF:

supported

E-TTL II Distance Information:

yes

Lens Hood:

ET-155 (pull-on, screw-locked)

Produced:

2011

Tests:

DxO Labs; SLRgear

Additional Information:

The lens features a Kensington Locker. The dedicated Canon Lens Case 400C is optionally available.

For early samples (SN 770xxxxxxx to 841xxxxxxx) a problem with the lenshood is reported. Even if the locking screw is fastened, the lenshood will still rotate too easily (won't fall off though). Canon offers free exchange.

The firmware of lenses with SN 790xxxxxxx through 913xxxxxxx can be updated to v1.1.1 (factory service) to enhance the responsiveness for more precise focus adjustment, especially in AI servo mode.

*There seem to be some minor incompatibilities and dysfunctionalities when using IS lenses with their IS activated with older analog EOS camera models. See EOS Documentation Project for details (slightly different for the 75-300mm F4.0-5.6 IS USM here).