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Canon EF 100-400mm f/4.5-5.6L IS USM

100–400 mm · f/100 · Canon EF

The Canon EF 100-400mm f/4.5-5.6L IS USM is a 100–400 mm zoom lens with a maximum aperture of f/100 for the Canon EF mount. Here are its field of view on different sensors, hyperfocal distances and the cameras it fits.

Focal length
100–400 mm
Max aperture
f/100
Mount
Canon EF
Designed for
1.61× crop

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
APS-C (1.5×)16.1° – 4.0°153–612 mm
Canon APS-C (1.6×)15.4° – 3.9°160–640 mm
Micro Four Thirds12.3° – 3.1°200–800 mm

Hyperfocal distance

Focal length
100 mm
400 mm

Circle of confusion 0.019 mm (sensor size the lens is designed for).

Cameras that fit (132)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Canon EF 100-400mm f/4.5-5.6L IS USM equivalent to on APS-C?
It is designed for a 1.61× sensor, giving a full-frame equivalent of 161–644 mm.
Which cameras is the Canon EF 100-400mm f/4.5-5.6L IS USM compatible with?
It fits Canon EOS 5DS, Canon EOS 5DS R, Canon EOS 6D, Canon EOS 6D Mark II, Canon EOS 5D Mark IV and more (see the full list above).