Compare lenses

Sigma 14mm f/1.4 DG Art vs Sony FE 14mm f/1.8 GM

The Sigma 14mm f/1.4 DG Art and the Sony FE 14mm f/1.8 GM side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 14mm f/1.4 DG Art if you want a brighter f/1.4 (0.7 stops more light), for dim light and softer backgrounds and a fit on more cameras (66 against 41 in this guide). Pick the Sony FE 14mm f/1.8 GM if you want a lighter lens (460 g against 1160 g).

Still torn? Ask the guide about the Sigma 14mm f/1.4 DG Art and the Sony FE 14mm f/1.8 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 14mm f/1.4 DG ArtSony FE 14mm f/1.8 GM
MakerSigmaSony
Focal length14mm (prime)14mm (prime)
Full-frame equivalent14mm14mm
Maximum aperturef/1.4brighterf/1.8
Made forFull frameFull frame
MountsSony E, L-MountSony E
Stabilisednono
Autofocusyesyes
Weight1160 g460 glighter
Cameras it fits66 in this guidefits more cameras41 in this guide

Focal range, in full-frame terms

142435508513520040080014mm equiv.Sigma
Sigma 14mm f/1.4 DG Art: 14mm.
142435508513520040080014mm equiv.Sony
Sony FE 14mm f/1.8 GM: 14mm.

Aperture

f/1.4
Sigma 14mm f/1.4 DG Art: f/1.4 wide open.
f/1.8
Sony FE 14mm f/1.8 GM: f/1.8 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

Sigma · 104°Sony · 104°
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 14mm f/1.4 DG Art fits 66 and the Sony FE 14mm f/1.8 GM 41.

Sigma 14mm f/1.4 DG Art

and 56 more

Sony FE 14mm f/1.8 GM

and 31 more

On their own pages