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Sigma 30mm f/1.4 EX DC HSM

30 mm · f/1.4 · Sigma SA, Canon EF

The Sigma 30mm f/1.4 EX DC HSM is a 30 mm prime lens with a maximum aperture of f/1.4 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
30 mm
Max aperture
f/1.4
Mount
Sigma SA
Designed for
1.53× crop

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
APS-C (1.5×)50.5°46 mm
Canon APS-C (1.6×)48.5°48 mm
Micro Four Thirds39.7°60 mm

Hyperfocal distance

Focal lengthf/2.8f/5.6f/8f/11f/16
30 mm16 m8.2 m5.8 m4.2 m2.9 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)5.5 s @ f/1.410.9 s

Cameras that fit (323)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Sigma 30mm f/1.4 EX DC HSM equivalent to on APS-C?
It is designed for a 1.53× sensor, giving a full-frame equivalent of 46 mm.
Which cameras is the Sigma 30mm f/1.4 EX DC 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).