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Sigma 24-70mm f/2.8 IF EX DG HSM

24–70 mm · f/2.8 · Sigma SA, Canon EF

The Sigma 24-70mm f/2.8 IF EX DG HSM is a 24–70 mm zoom lens with a maximum aperture of f/2.8 for the Sigma SA, Canon EF, Minolta AF mounts. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.

Focal length
24–70 mm
Max aperture
f/2.8
Mount
Sigma SA
Designed for
1.53× crop

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
APS-C (1.5×)61.0° – 22.8°37–107 mm
Canon APS-C (1.6×)58.8° – 21.9°38–112 mm
Micro Four Thirds48.5° – 17.6°48–140 mm

Hyperfocal distance

Focal lengthf/2.8f/5.6f/8f/11f/16
24 mm10 m5.3 m3.7 m2.7 m1.9 m
70 mm89 m45 m31 m23 m16 m

Circle of confusion 0.020 mm (sensor size the lens is designed for).

Longest exposure for sharp stars

CameraNPF rule (wide open)500 rule
APS-C (24 MP)9.0 s @ f/2.813.6 s

Cameras that fit (306)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Sigma 24-70mm f/2.8 IF EX DG HSM equivalent to on APS-C?
It is designed for a 1.53× sensor, giving a full-frame equivalent of 37–107 mm.
Which cameras is the Sigma 24-70mm f/2.8 IF EX DG HSM compatible with?
It fits Sigma sd Quattro, Sigma sd Quattro H, Sigma SD1, Sigma SD1 Merrill, Sigma SD9 and more (see the full list above).