Canon EF 400mm F4.0 DO IS II USM Specifications

Compatibility:

analog*/digital

Diagonal Angle of View:

6.1°

Maximum Magnification:

1:7.7

Minimum Aperture:

F32

Number of Aperture Blades:

Iris Pattern:

rounded

Minimum Distance:

330cm

Filter Thread:

52mm via filter holder

Maximum Diameter:

128mm

Length:

232.7mm

Weight:

2100g

Focus Type:

Ring-USM, Power Focus, internal focus mechanism

Full Focus Throw:

220°

Dual Pixel CMOS AF:

E-TTL II Distance Information:

yes

Lens Hood:

(pull-on, screw-locked)

Produced:

2014

Tests:

DxO Labs; SLRgear; Popular Photography 04/2015

PopPhoto Measurements:

399.97mm Fn.a. at 1:7.27

Additional Information:

The lens comes with a tripod collar with removable mounting foot (the collar itself is non-removable) and features a focus limiter (3.3m - ∞, 3.3 - 8m, 8m - ∞), focus preset and dust and moisture sealings.

*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).