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Sigma 12-24mm f/4.5-5.6 EX DG Aspherical HSM

12–24 mm · f/4.5 · Sigma SA, Canon EF

The Sigma 12-24mm f/4.5-5.6 EX DG Aspherical HSM is a 12–24 mm zoom lens with a maximum aperture of f/4.5 for the Sigma SA, Canon EF, Nikon F AF mounts. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.

Focal length
12–24 mm
Max aperture
f/4.5
Mount
Sigma SA
Designed for
Full frame

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
Full frame122.0° – 84.1°12–24 mm
APS-C (1.5×)99.4° – 61.0°18–37 mm
Canon APS-C (1.6×)96.8° – 58.8°19–38 mm
Micro Four Thirds84.1° – 48.5°24–48 mm

Hyperfocal distance

Focal lengthf/5.6f/8f/11f/16
12 mm0.9 m0.6 m0.4 m0.3 m
24 mm3.5 m2.4 m1.8 m1.2 m

Circle of confusion 0.030 mm (sensor size the lens is designed for).

Longest exposure for sharp stars

CameraNPF rule (wide open)500 rule
Full frame (24 MP)27.9 s @ f/4.541.7 s
Full frame (45 MP)24.1 s @ f/4.541.7 s
APS-C (24 MP)22.9 s @ f/4.527.2 s

Cameras that fit (272)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Sigma 12-24mm f/4.5-5.6 EX DG Aspherical HSM equivalent to on APS-C?
About 18–36 mm (1.5×) or 19–38 mm on Canon APS-C (1.6×).
Which cameras is the Sigma 12-24mm f/4.5-5.6 EX DG Aspherical 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).