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Sigma 18-125mm F3.8-5.6 DC HSM

Canon EF Autofocus

Sigma 18-125mm F3.8-5.6 DC HSM

Focal length
18–125 mm
Aperture
f/3.8–5.6
Weight
490 g
Filter diameter
67 mm
Min. focus distance
35 cm
Length
88.5 mm

At a Glance

This superzoom for Canon EF on APS-C runs from 18 to 125 mm, equal to 29-200 mm on full frame, so it spans wide-angle to short telephoto. The aperture varies from f/3.8 to f/5.6. It focuses down to 35 cm at 1:3.8 and weighs 490 g. Travel and everyday shooting are its main uses.

Good for

  • Travel
  • Everyday

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
18 mm
Max. focal length
125 mm
Max. aperture (min. zoom)
f/3.8
Max. aperture (max. zoom)
f/5.6
Min. aperture
f/22
Elements
16
Groups
12
Weight
490 g (1.08 lb)
Filter diameter
67 mm
Min. focus distance
35 cm (13.78 in)
Max. magnification
1:3.8 (0.26×)
Length
88.5 mm (3.48 in)
Diameter
74 mm (2.91 in)

Manufacturer data: 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 18-125mm F3.8-5.6 DC HSM fit?

The Sigma 18-125mm F3.8-5.6 DC HSM is made for Canon APS-C cameras, where its field of view equals 29-200 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 18-125mm F3.8-5.6 DC HSM compared

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

LensSigma 18-125mm F3.8-5.6 DC HSMSigma 18-125mm F3.8-5.6 DC OS HSMCanon EF-S 18-135mm F3.5-5.6 ISCanon EF-S 18-135mm F3.5-5.6 IS STM
Focal length18-125 mm18-125 mm18-135 mm18-135 mm
Max. aperturef/3.8-5.6f/3.8-5.6f/3.5-5.6f/3.5-5.6
Weight490 g490 g455 g480 g
Filter diameter67 mm67 mm67 mm67 mm
Min. focus distance35 cm35 cm45 cm39 cm
Length88.5 mm89 mm101 mm96 mm
Autofocusyesyesyesyes
Image stabilizationnoyesyesyes
Open these lenses in the comparison and add more

Sigma 18-125mm F3.8-5.6 DC HSM: FAQ

Does the Sigma 18-125mm F3.8-5.6 DC HSM have autofocus?

Yes, the Sigma 18-125mm F3.8-5.6 DC HSM has autofocus.

Does the Sigma 18-125mm F3.8-5.6 DC HSM have image stabilization?

No, the Sigma 18-125mm F3.8-5.6 DC HSM has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Sigma 18-125mm F3.8-5.6 DC HSM weigh?

The Sigma 18-125mm F3.8-5.6 DC HSM weighs 490 g. It is 88.5 mm long with a diameter of 74 mm.

What filter size does the Sigma 18-125mm F3.8-5.6 DC HSM use?

The Sigma 18-125mm F3.8-5.6 DC HSM takes 67 mm screw-in filters.

How close can the Sigma 18-125mm F3.8-5.6 DC HSM focus?

The minimum focus distance of the Sigma 18-125mm F3.8-5.6 DC HSM is 35 cm, measured from the sensor plane.

Is the Sigma 18-125mm F3.8-5.6 DC HSM a full-frame lens?

No, the Sigma 18-125mm F3.8-5.6 DC HSM is an APS-C lens. On APS-C cameras its field of view equals 29-200 mm in full-frame terms.

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