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Sigma 10-20mm f/3.5 EX DC HSM

10–20 mm · f/3.5 · Nikon F AF, Sigma SA

The Sigma 10-20mm f/3.5 EX DC HSM is a 10–20 mm zoom lens with a maximum aperture of f/3.5 for the Nikon F AF, Sigma SA, Canon EF-S mounts. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.

Focal length
10–20 mm
Max aperture
f/3.5
Mount
Nikon F AF
Designed for
1.61× crop

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
APS-C (1.5×)109.5° – 70.5°15–31 mm
Canon APS-C (1.6×)107.0° – 68.1°16–32 mm
Micro Four Thirds94.5° – 56.8°20–40 mm

Hyperfocal distance

Focal lengthf/5.6f/8f/11f/16
10 mm1.0 m0.7 m0.5 m0.3 m
20 mm3.9 m2.7 m2.0 m1.4 m

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)23.9 s @ f/3.532.7 s

Cameras that fit (284)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Sigma 10-20mm f/3.5 EX DC HSM equivalent to on APS-C?
It is designed for a 1.61× sensor, giving a full-frame equivalent of 16–32 mm.
Which cameras is the Sigma 10-20mm f/3.5 EX DC HSM compatible with?
It fits Nikon D40, Nikon D40X, Nikon D50, Nikon D60, Nikon D70 and more (see the full list above).