Compare lenses

Sony FE 20-70mm f/4 G vs Sony FE 28-70mm f/3.5-5.6 OSS

The Sony FE 20-70mm f/4 G 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 Sony FE 20-70mm f/4 G if you want a wider view (from 20mm equivalent). Pick the Sony FE 28-70mm f/3.5-5.6 OSS if you want a brighter f/3.5 (0.4 stops more light), for dim light and softer backgrounds; optical stabilisation, which helps most on bodies without it; and a lighter lens (295 g against 488 g).

Still torn? Ask the guide about the Sony FE 20-70mm f/4 G 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	Sony FE 20-70mm f/4 G	Sony FE 28-70mm f/3.5-5.6 OSS
Maker	Sony	Sony
Focal length	20-70mm (zoom)	28-70mm (zoom)
Full-frame equivalent	20-70mm	28-70mm
Maximum aperture	f/4	f/3.5-5.6brighter
Made for	Full frame	Full frame
Mounts	Sony E	Sony E
Stabilised	no	yesstabilised
Autofocus	yes	yes
Zoom range	3.5×more range	2.5×
Weight	488 g	295 glighter
Cameras it fits	41 in this guide	41 in this guide

Focal range, in full-frame terms

Sony FE 20-70mm f/4 G: 20-70mm.

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

Aperture

Sony FE 20-70mm f/4 G: f/4 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.