Canon EF 300mm F2.8L IS USM Specifications


Side view of the Canon EF 300mm F2.8L IS USM

Photo © 2012 by



Compatibility: analog*/digital

Diagonal Angle of View: 8.2°

Maximum Magnification: 1:7.7

Minimum Aperture: F32

Number of Aperture Blades: 8

Iris Pattern:

Minimum Distance: 250cm

Filter Thread: 52mm via filter holder

Maximum Diameter: 128mm

Length: 252mm

Weight: 2550g

Focus Type: Ring-USM, internal focus mechanism

Dual Pixel CMOS AF: supported

E-TTL II Distance Information: yes

Lens Hood: ET-120 (pull-on, screw-locked)

Produced: 1999

Tests: DxO Labs; SLRgear; LensTests

Nickname: "The Beast"/"Phat Boy"

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).

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