Compare lenses

Canon EF 16-35mm f/2.8L III USM vs Tamron SP 15-30mm f/2.8 Di VC USD G2

The Canon EF 16-35mm f/2.8L III USM and the Tamron SP 15-30mm f/2.8 Di VC USD G2 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 more reach (to 35mm equivalent). Pick the Tamron SP 15-30mm f/2.8 Di VC USD G2 if you want optical stabilisation, which helps most on bodies without it 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 Tamron SP 15-30mm f/2.8 Di VC USD G2

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	Tamron SP 15-30mm f/2.8 Di VC USD G2
Maker	Canon	Tamron
Focal length	16-35mm (zoom)	15-30mm (zoom)
Full-frame equivalent	16-35mm	15-30mm
Maximum aperture	f/2.8	f/2.8
Made for	Full frame	Full frame
Mounts	Canon EF	Canon EF, Nikon F
Stabilised	no	yesstabilised
Autofocus	yes	yes
Zoom range	2.2×	2.0×
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.

Tamron SP 15-30mm f/2.8 Di VC USD G2: 15-30mm.

Aperture

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

Tamron SP 15-30mm f/2.8 Di VC USD G2: f/2.8 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 Tamron SP 15-30mm f/2.8 Di VC USD G2 39.