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Sigma 15-30mm f/3.5-4.5 EX DG Aspherical

15–30 mm · f/3.5 · Sigma SA, Canon EF

The Sigma 15-30mm f/3.5-4.5 EX DG Aspherical is a 15–30 mm zoom lens with a maximum aperture of f/3.5 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
15–30 mm
Max aperture
f/3.5
Mount
Sigma SA
Designed for
Full frame

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
Full frame110.5° – 71.6°15–30 mm
APS-C (1.5×)86.6° – 50.5°23–46 mm
Canon APS-C (1.6×)84.1° – 48.5°24–48 mm
Micro Four Thirds71.6° – 39.7°30–60 mm

Hyperfocal distance

Focal lengthf/5.6f/8f/11f/16
15 mm1.4 m1.0 m0.7 m0.5 m
30 mm5.4 m3.8 m2.8 m1.9 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)20.0 s @ f/3.533.3 s
Full frame (45 MP)17.0 s @ f/3.533.3 s
APS-C (24 MP)16.0 s @ f/3.521.8 s

Cameras that fit (306)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Sigma 15-30mm f/3.5-4.5 EX DG Aspherical equivalent to on APS-C?
About 22–45 mm (1.5×) or 24–48 mm on Canon APS-C (1.6×).
Which cameras is the Sigma 15-30mm f/3.5-4.5 EX DG Aspherical 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).