Canon EF 400mm F2.8L IS USM Specifications
Diagonal Angle of View:
Number of Aperture Blades:
52mm via filter holder
Ring-USM, internal focus mechanism
Dual Pixel CMOS AF:
E-TTL II Distance Information:
ET-155 (pull-on, screw-locked)
The lens features a focus limiter (full, 3 - 10m, 10m - ∞), tripod detection and comes with tripod collar. The dedicated Canon Lens Case 400 is optionally available.
*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 4.0-5.6 IS USM here).
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