Compare lenses

Sigma 70-200mm f/2.8 DG DN OS Sports vs Tamron 70-180mm f/2.8 Di III VXD

The Sigma 70-200mm f/2.8 DG DN OS Sports and the Tamron 70-180mm f/2.8 Di III VXD side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 70-200mm f/2.8 DG DN OS Sports if you want optical stabilisation, which helps most on bodies without it and a fit on more cameras (66 against 41 in this guide). Pick the Tamron 70-180mm f/2.8 Di III VXD if you want a lighter lens (810 g against 1335 g).

Still torn? Ask the guide about the Sigma 70-200mm f/2.8 DG DN OS Sports and the Tamron 70-180mm f/2.8 Di III VXD

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Sigma 70-200mm f/2.8 DG DN OS Sports	Tamron 70-180mm f/2.8 Di III VXD
Maker	Sigma	Tamron
Focal length	70-200mm (zoom)	70-180mm (zoom)
Full-frame equivalent	70-200mm	70-180mm
Maximum aperture	f/2.8	f/2.8
Made for	Full frame	Full frame
Mounts	Sony E, L-Mount	Sony E
Stabilised	yesstabilised	no
Autofocus	yes	yes
Zoom range	2.9×	2.6×
Weight	1335 g	810 glighter
Cameras it fits	66 in this guidefits more cameras	41 in this guide

Focal range, in full-frame terms

Sigma 70-200mm f/2.8 DG DN OS Sports: 70-200mm.

Tamron 70-180mm f/2.8 Di III VXD: 70-180mm.

Aperture

Sigma 70-200mm f/2.8 DG DN OS Sports: f/2.8 wide open.

Tamron 70-180mm f/2.8 Di III VXD: 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

41 cameras in this guide take both, so either works on the same body. In all, the Sigma 70-200mm f/2.8 DG DN OS Sports fits 66 and the Tamron 70-180mm f/2.8 Di III VXD 41.