Canon EF 24-85mm F3.5-4.5 USM vs Sigma 24-70mm f/2.8 DG OS HSM Art

Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.

Canon

Verdict at a glance

Sigma 24-70mm f/2.8 DG OS HSM Art is faster by 0.6 stops (f/2.8 vs f/3.5), letting in more light.
Canon EF 24-85mm F3.5-4.5 USM reaches further (85mm vs 70mm).

Specification comparison
Spec	EF 24-85mm F3.5-4.5 USM	24-70mm f/2.8 DG OS HSM Art
Brand	Canon	Sigma
Mount	Canon EF	Canon EF
Type	Zoom	Zoom
Focal length	24-85mm	24-70mm
Max aperture	f/3.5	f/2.8 (faster)
Released	1996	n/a
Blades	6	9
Format	full-frame	full-frame
Groups	12	14
Af motor	USM	HSM
Elements	15	19
Weight g	380.0	n/a
Filter mm	67	82
Length mm	69.5	107.6
Diameter mm	73.0	88.0
Min focus m	0.5	0.37 (closer focusing)
Max magnification	0.16	0.21
Stabilized	n/a	Yes

Canon EF 24-85mm F3.5-4.5 USM

A mid-1990s standard zoom with USM, light enough for everyday use. It covers a handy 24mm wide end on full frame.

Pros

Wide 24mm start
Light at about 380g
Ring USM
Compact for a standard zoom

Cons

Slow aperture
Visible distortion at 24mm

Sigma 24-70mm f/2.8 DG OS HSM Art

Sigma's stabilized 24-70mm f/2.8 Art zoom for full-frame DSLRs, with an HSM focus motor, an 82mm filter thread and a close focus limit of 0.37 m. The built-in Optical Stabilizer sets it apart from many rivals in this class.

Pros

Optical stabilization in the lens
Constant f/2.8 aperture
HSM autofocus with manual override
Close focus of 0.37 m

Cons

Large and heavy for a standard zoom
Mount-specific, so it needs an adapter for mirrorless bodies

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