Compare lenses

Canon EF 16-35mm f/2.8L III USM vs Sigma 24-35mm f/2 DG HSM Art

The Canon EF 16-35mm f/2.8L III USM and the Sigma 24-35mm f/2 DG HSM Art side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon EF 16-35mm f/2.8L III USM if you want a wider view (from 16mm equivalent). Pick the Sigma 24-35mm f/2 DG HSM Art if you want a brighter f/2 (1.0 stops more light), for dim light and softer backgrounds and a fit on more cameras (39 against 22 in this guide).

Still torn? Ask the guide about the Canon EF 16-35mm f/2.8L III USM and the Sigma 24-35mm f/2 DG HSM Art

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Canon EF 16-35mm f/2.8L III USM	Sigma 24-35mm f/2 DG HSM Art
Maker	Canon	Sigma
Focal length	16-35mm (zoom)	24-35mm (zoom)
Full-frame equivalent	16-35mm	24-35mm
Maximum aperture	f/2.8	f/2brighter
Made for	Full frame	Full frame
Mounts	Canon EF	Canon EF, Nikon F
Stabilised	no	no
Autofocus	yes	yes
Zoom range	2.2×more range	1.5×
Cameras it fits	22 in this guide	39 in this guidefits more cameras

Focal range, in full-frame terms

Canon EF 16-35mm f/2.8L III USM: 16-35mm.

Sigma 24-35mm f/2 DG HSM Art: 24-35mm.

Aperture

Canon EF 16-35mm f/2.8L III USM: f/2.8 wide open.

Sigma 24-35mm f/2 DG HSM Art: f/2 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

22 cameras in this guide take both, so either works on the same body. In all, the Canon EF 16-35mm f/2.8L III USM fits 22 and the Sigma 24-35mm f/2 DG HSM Art 39.