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Canon EF 28-90mm f/4-5.6 USM

28–90 mm · f/28 · Canon EF

The Canon EF 28-90mm f/4-5.6 USM is a 28–90 mm zoom lens with a maximum aperture of f/28 for the Canon EF mount. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.

Focal length
28–90 mm
Max aperture
f/28
Mount
Canon EF
Designed for
1.61× crop

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
APS-C (1.5×)53.6° – 17.9°43–138 mm
Canon APS-C (1.6×)51.6° – 17.1°45–144 mm
Micro Four Thirds42.2° – 13.7°56–180 mm

Hyperfocal distance

Focal length
28 mm
90 mm

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

Longest exposure for sharp stars

CameraNPF rule (wide open)500 rule
APS-C (24 MP)39.2 s @ f/2811.7 s

Cameras that fit (132)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Canon EF 28-90mm f/4-5.6 USM equivalent to on APS-C?
It is designed for a 1.61× sensor, giving a full-frame equivalent of 45–145 mm.
Which cameras is the Canon EF 28-90mm f/4-5.6 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).