Canon EF 100-400mm F4.5-5.6L IS USM Specifications


Side view of the Canon EF 100-400mm F4.5-5.6L IS USM

Photo © 2012 by



Compatibility: analog*/digital

Diagonal Angle of View: 24° - 6.1°

Maximum Magnification: 1:5

Minimum Aperture: F32 - F38

Number of Aperture Blades: 8

Iris Pattern:

Minimum Distance: 180cm

Filter Thread: 77mm

Maximum Diameter: 92mm

Length: 189mm

Weight: 1380g

Focus Type: Ring-USM, internal focus mechanism (RF?), varifocal

Full Focus Throw: 120°

Dual Pixel CMOS AF: supported

Zoom Type: push-pull

E-TTL II Distance Information: yes

IR Capability: reported by Lens Play and IR Forum

Lens Hood: ET-83C

Produced: 1998

Tests: PhotoZone tested on EOS 350D and 5D MKII; SLRgear; DxO Labs; Photodo

Popular Photography Measurements: 100.54-392mm F4.68-n.a. at 1:15.9-1:4.8

Nickname: "Dust Trombone"/"Dust Pump"

Additional Information:



*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).

© 2007 - 2017 Canon EOS Technoclopedia