Sigma Canon EF Superzoom

24-105mm f/4.0 DG OS HSM [A]

24-105mm
f/4.0
Superzoom
Stabilized
885 g
Min focus 0.45 m

Quick answer

The Sigma 24-105mm f/4.0 DG OS HSM [A] is a wide-angle to short telephoto superzoom lens covering 24-105mm at f/4.0 for the Canon EF mount. Its moderate maximum aperture works best in good light or with a higher ISO.

About this lens

A 24-105mm f/4.0 full-frame superzoom lens, the Sigma 24-105mm f/4.0 DG OS HSM [A] is designed for Canon EF mount bodies, with Optical Stabilizer and Hyper Sonic Motor autofocus. The wide-to-tele range makes it a one-lens option for travel and everyday shooting.

Sigma 24-105mm f/4.0 DG OS HSM [A] specifications

Brand: Sigma
Mount: Canon EF
Focal length: 24-105mm
Maximum aperture: f/4.0
Lens type: Superzoom
Format coverage: full-frame
Optical construction: 19 elements in 14 groups
Aperture blades: 9
Image stabilization: Yes
Autofocus motor: HSM
Minimum focus distance: 0.45 m
Maximum magnification: 0.22x
Filter thread: 82 mm
Weight: 885 g
Length: 109.4 mm
Diameter: 88.6 mm

Specification source: sigmaphoto.com

What can you shoot with the Sigma 24-105mm f/4.0 DG OS HSM [A]?

At 24-105mm this is a wide-angle to short telephoto superzoom, which typically suits:

Landscapes and cityscapes
Street and travel photography
Environmental portraits and interiors
Everyday and street photography
Natural-perspective portraits

Its moderate maximum aperture works best in good light or with a higher ISO.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor	Crop	Equivalent	Horizontal FOV	Diagonal FOV
Full frame	1.0x	24–105mm	19.5–73.7°	23.3–84.1°
APS-C	1.6x	38–168mm	12.2–50.2°	14.7–58.8°

Try the field-of-view calculator

Frequently asked questions

What mount does the Sigma 24-105mm f/4.0 DG OS HSM [A] use?

It uses the Canon EF mount, so it fits Canon EF cameras directly.

What is the focal length of the Sigma 24-105mm f/4.0 DG OS HSM [A]?

It zooms across 24-105mm with a maximum aperture of f/4.0. That makes it a wide-angle to short telephoto lens.

Is the Sigma 24-105mm f/4.0 DG OS HSM [A] a prime or a zoom lens?

It is a zoom lens covering 24-105mm, so you can reframe without moving. Its maximum aperture is f/4.0.

What is the Sigma 24-105mm f/4.0 DG OS HSM [A] equivalent on a crop sensor?

On APS-C (1.6x crop) it frames like 38–168mm on full frame, with a 12.2–50.2° horizontal and 14.7–58.8° diagonal field of view. These figures are calculated from the focal length and crop factor.