Compare lenses

Sigma 50mm f/1.4 DG HSM Art vs Sony FE 50mm f/1.8

The Sigma 50mm f/1.4 DG HSM Art and the Sony FE 50mm f/1.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 50mm f/1.4 DG HSM 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 (105 against 41 in this guide). On these specs the Sony FE 50mm f/1.8 has no clear advantage: choose it if the price, the handling or a lens you own decides it.

Still torn? Ask the guide about the Sigma 50mm f/1.4 DG HSM Art and the Sony FE 50mm f/1.8

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 50mm f/1.4 DG HSM Art	Sony FE 50mm f/1.8
Maker	Sigma	Sony
Focal length	50mm (prime)	50mm (prime)
Full-frame equivalent	50mm	50mm
Maximum aperture	f/1.4brighter	f/1.8
Made for	Full frame	Full frame
Mounts	Canon EF, Nikon F, Sony E, L-Mount	Sony E
Stabilised	no	no
Autofocus	yes	yes
Weight	not listed	186 g
Cameras it fits	105 in this guidefits more cameras	41 in this guide

Focal range, in full-frame terms

Sigma 50mm f/1.4 DG HSM Art: 50mm.

Sony FE 50mm f/1.8: 50mm.

Aperture

Sigma 50mm f/1.4 DG HSM Art: f/1.4 wide open.

Sony FE 50mm f/1.8: 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

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 50mm f/1.4 DG HSM Art fits 105 and the Sony FE 50mm f/1.8 41.