Canon EF 400mm f/2.8L USM Specifications


Compatibility: analog/digital

Diagonal Angle of View: 6.1°

Maximum Magnification: 1:9.1

Minimum Aperture: f/32

Number of Aperture Blades: 8

Iris Pattern:

Minimum Distance: 400cm

Filter Thread: 48mm via filter holder

Maximum Diameter: 167mm

Length: 348mm

Weight: 6100g

Focus Type: Ring-USM, Electronic-Manual (electronically accellerated manual focus, 3 steps of speed)

Dual Pixel CMOS AF: not supported (camera will switch to Contrast AF)

E-TTL II Distance Information: yes

Lens Hood: ET-155 (pull-on, screw-locked)

Produced: 1991 - 1996


Additional Information:

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