This page was originally created by John.torcasio.

  Canon EF 100-400mm f4.5-5.6L IS USM is a telephoto lens made by Canon.

Long favoured by wildlife and sports photographers

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Canon EF 100-400 on a Canon EOS-1D MK IV

Using both fluorite and super ultra-low dispersion lens elements, the image

Canon EF100-400mm f/4.5-5.6L IS USM

performance is high, with sharp, high contrast as well as high resolution images.The Image Stabilizer (IS) gives the equivalent effect of a shutter speed two stops faster Minimum focusing distance of 1.8 metres at all focal lengths Manual focusing possible in the autofocus (AF) mode (full-time mechanical manual focusing) It is compatible with Extenders 1.4x III and 2x III

Canon EF100-400mm f/4.5-5.6L IS USM left Side view

I use this lens on my Canon EOS-1D Mark IV at air show / outdoor sports and wildlife. The push / pull design is fast if you need to zoom rapidly in or out. The wide focal length and max focal length and excellent image quality make the Canon EF 100-400mm f/4.5-5.6 L IS USM a highly versatile lens.

Canon EF 100-400mm

Canon EF 100-400mm L USM lens


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F-16 ( Fighting Falcon )Taken with a Canon EF 100-400mm



Zoom Focal Length 100-400mm
Fixed Focal Length -
Maximum Aperture f4.5-5.6
Minimum Focus 1.8m
Filter Diameter 77mm
Minimum Aperture -
Dimensions 92 x 189mm
Image Stabilisation Optical
Lens Mount Canon
Lens Type Telephoto Zoom
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