Photo © 2012 by LensTests.com
Diagonal Angle of View: 8.2°
Maximum Magnification: 1:7.7
Minimum Aperture: f/32
Number of Aperture Blades: 8
Minimum Distance: 250cm
Filter Thread: 52mm via filter holder
Maximum Diameter: 128mm
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)
Nickname: "The Beast"/"Phat Boy"
*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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