Compare lenses

Sigma 28-70mm f/2.8 DG DN Contemporary vs Sony FE 24-70mm f/2.8 GM

The Sigma 28-70mm f/2.8 DG DN Contemporary and the Sony FE 24-70mm f/2.8 GM side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 28-70mm f/2.8 DG DN Contemporary if you want a fit on more cameras (66 against 41 in this guide) and a lighter lens (470 g against 886 g). Pick the Sony FE 24-70mm f/2.8 GM if you want a wider view (from 24mm equivalent).

Still torn? Ask the guide about the Sigma 28-70mm f/2.8 DG DN Contemporary and the Sony FE 24-70mm f/2.8 GM

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecSigma 28-70mm f/2.8 DG DN ContemporarySony FE 24-70mm f/2.8 GM
MakerSigmaSony
Focal length28-70mm (zoom)24-70mm (zoom)
Full-frame equivalent28-70mm24-70mm
Maximum aperturef/2.8f/2.8
Made forFull frameFull frame
MountsSony E, L-MountSony E
Stabilisednono
Autofocusyesyes
Zoom range2.5×2.9×more range
Weight470 glighter886 g
Cameras it fits66 in this guidefits more cameras41 in this guide

Focal range, in full-frame terms

142435508513520040080028-70mm equiv.Sigma
Sigma 28-70mm f/2.8 DG DN Contemporary: 28-70mm.
142435508513520040080024-70mm equiv.Sony
Sony FE 24-70mm f/2.8 GM: 24-70mm.

Aperture

f/2.8
Sigma 28-70mm f/2.8 DG DN Contemporary: f/2.8 wide open.
f/2.8
Sony FE 24-70mm f/2.8 GM: 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

Sony at 24mm · 74°Sigma at 28mm · 65°Sigma at 70mm · 29°Sony at 70mm · 29°
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 28-70mm f/2.8 DG DN Contemporary fits 66 and the Sony FE 24-70mm f/2.8 GM 41.

Sigma 28-70mm f/2.8 DG DN Contemporary

and 56 more

Sony FE 24-70mm f/2.8 GM

and 31 more

On their own pages