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Sigma 17-50mm F2.8 EX DC OS HSM

Canon EF Autofocus OIS

Sigma 17-50mm F2.8 EX DC OS HSM

Focal length
17–50 mm
Aperture
f/2.8
Weight
565 g
Filter diameter
77 mm
Min. focus distance
28 cm
Length
91.8 mm

At a Glance

Here is a standard zoom for Canon EF bodies with APS-C sensors, covering 27-80 mm in full-frame terms. It keeps f/2.8 throughout the zoom range and has an optical stabilizer. Magnification reaches 1:5 (0.2x) at a minimum focus distance of 28 cm, and the weight is 565 g. Everyday photography, travel and events are natural uses.

Good for

  • Everyday
  • Travel
  • Events

Worth knowing

  • Designed for APS-C: only usable on EOS cameras with an APS-C sensor.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Min. focal length
17 mm
Max. focal length
50 mm
Max. aperture (min. zoom)
f/2.8
Max. aperture (max. zoom)
f/2.8
Min. aperture
f/22
Elements
17
Groups
13
Weight
565 g (1.25 lb)
Filter diameter
77 mm
Min. focus distance
28 cm (11.02 in)
Max. magnification
1:5 (0.2×)
Length
91.8 mm (3.61 in)
Diameter
83.5 mm (3.29 in)

Manufacturer data: sigmaphoto.com, sigma-global.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Sigma 17-50mm F2.8 EX DC OS HSM fit?

The Sigma 17-50mm F2.8 EX DC OS HSM is made for Canon APS-C cameras, where its field of view equals 27-80 mm in full-frame terms. It is not meant for full-frame EOS bodies: EF-S lenses do not mount on them at all, and third-party APS-C lenses vignette heavily.

Canon EF cameras

With the Canon Mount Adapter EF-EOS R the lens can also be used on Canon RF cameras.

With the Canon Mount Adapter EF-EOS M the lens can also be used on Canon EF-M cameras.

Sigma 17-50mm F2.8 EX DC OS HSM compared

Key specs side by side with the most similar Canon EF lenses.

LensSigma 17-50mm F2.8 EX DC OS HSMTamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF)Tamron SP AF 17-50mm F/2.8 XR Di II VC LD Aspherical (IF)Sigma 18-50mm F2.8-4.5 DC OS HSM
Focal length17-50 mm17-50 mm17-50 mm18-50 mm
Max. aperturef/2.8f/2.8f/2.8f/2.8-4.5
Weight565 g430 g570 g395 g
Filter diameter77 mm67 mm72 mm67 mm
Min. focus distance28 cm27 cm29 cm30 cm
Length91.8 mm82 mm94.5 mm88.6 mm
Autofocusyesyesyesyes
Image stabilizationyesnoyesyes
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Sigma 17-50mm F2.8 EX DC OS HSM: FAQ

Does the Sigma 17-50mm F2.8 EX DC OS HSM have autofocus?

Yes, the Sigma 17-50mm F2.8 EX DC OS HSM has autofocus.

Does the Sigma 17-50mm F2.8 EX DC OS HSM have image stabilization?

Yes, the Sigma 17-50mm F2.8 EX DC OS HSM has optical image stabilization.

How much does the Sigma 17-50mm F2.8 EX DC OS HSM weigh?

The Sigma 17-50mm F2.8 EX DC OS HSM weighs 565 g. It is 91.8 mm long with a diameter of 83.5 mm.

What filter size does the Sigma 17-50mm F2.8 EX DC OS HSM use?

The Sigma 17-50mm F2.8 EX DC OS HSM takes 77 mm screw-in filters.

How close can the Sigma 17-50mm F2.8 EX DC OS HSM focus?

The minimum focus distance of the Sigma 17-50mm F2.8 EX DC OS HSM is 28 cm, measured from the sensor plane.

Is the Sigma 17-50mm F2.8 EX DC OS HSM a full-frame lens?

No, the Sigma 17-50mm F2.8 EX DC OS HSM is an APS-C lens. On APS-C cameras its field of view equals 27-80 mm in full-frame terms.

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