Compare lenses

Sigma 20-200mm f/3.5-6.3 DG Contemporary vs Sony FE 28-70mm f/3.5-5.6 OSS

The Sigma 20-200mm f/3.5-6.3 DG Contemporary and the Sony FE 28-70mm f/3.5-5.6 OSS side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 20-200mm f/3.5-6.3 DG Contemporary if you want more reach (to 200mm equivalent), a wider view (from 20mm equivalent) and a fit on more cameras (66 against 41 in this guide). Pick the Sony FE 28-70mm f/3.5-5.6 OSS if you want optical stabilisation, which helps most on bodies without it and a lighter lens (295 g against 540 g).

Still torn? Ask the guide about the Sigma 20-200mm f/3.5-6.3 DG Contemporary and the Sony FE 28-70mm f/3.5-5.6 OSS

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 20-200mm f/3.5-6.3 DG Contemporary	Sony FE 28-70mm f/3.5-5.6 OSS
Maker	Sigma	Sony
Focal length	20-200mm (zoom)	28-70mm (zoom)
Full-frame equivalent	20-200mm	28-70mm
Maximum aperture	f/3.5-6.3	f/3.5-5.6
Made for	Full frame	Full frame
Mounts	Sony E, L-Mount	Sony E
Stabilised	no	yesstabilised
Autofocus	yes	yes
Zoom range	10.0×more range	2.5×
Weight	540 g	295 glighter
Cameras it fits	66 in this guidefits more cameras	41 in this guide

Focal range, in full-frame terms

Sigma 20-200mm f/3.5-6.3 DG Contemporary: 20-200mm.

Sony FE 28-70mm f/3.5-5.6 OSS: 28-70mm.

Aperture

Sigma 20-200mm f/3.5-6.3 DG Contemporary: f/3.5 wide open.

Sony FE 28-70mm f/3.5-5.6 OSS: f/3.5 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 20-200mm f/3.5-6.3 DG Contemporary fits 66 and the Sony FE 28-70mm f/3.5-5.6 OSS 41.