Compare lenses

Sigma 28mm f/1.4 DG HSM Art vs Viltrox AF 28mm f/1.8

The Sigma 28mm f/1.4 DG HSM Art and the Viltrox AF 28mm f/1.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 28mm 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 57 in this guide). On these specs the Viltrox AF 28mm 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 28mm f/1.4 DG HSM Art and the Viltrox AF 28mm 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 28mm f/1.4 DG HSM Art	Viltrox AF 28mm f/1.8
Maker	Sigma	Viltrox
Focal length	28mm (prime)	28mm (prime)
Full-frame equivalent	28mm	28mm
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, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	not listed	367 g
Cameras it fits	105 in this guidefits more cameras	57 in this guide

Focal range, in full-frame terms

Sigma 28mm f/1.4 DG HSM Art: 28mm.

Viltrox AF 28mm f/1.8: 28mm.

Aperture

Sigma 28mm f/1.4 DG HSM Art: f/1.4 wide open.

Viltrox AF 28mm 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 28mm f/1.4 DG HSM Art fits 105 and the Viltrox AF 28mm f/1.8 57.