Compare lenses

Sigma 50mm f/1.4 DG DN Art vs Viltrox AF 50mm f/1.8

The Sigma 50mm f/1.4 DG DN Art and the Viltrox AF 50mm f/1.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 50mm f/1.4 DG DN 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 Viltrox AF 50mm f/1.8 if you want a lighter lens (350 g against 660 g).

Still torn? Ask the guide about the Sigma 50mm f/1.4 DG DN Art and the Viltrox AF 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 DN Art	Viltrox AF 50mm f/1.8
Maker	Sigma	Viltrox
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	Sony E, L-Mount	Sony E
Stabilised	no	no
Autofocus	yes	yes
Weight	660 g	350 glighter
Cameras it fits	66 in this guidefits more cameras	41 in this guide

Focal range, in full-frame terms

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

Viltrox AF 50mm f/1.8: 50mm.

Aperture

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

Viltrox AF 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 DN Art fits 66 and the Viltrox AF 50mm f/1.8 41.