Compare lenses

Sigma 135mm f/1.4 DG Art vs Viltrox AF 135mm f/1.8 LAB

The Sigma 135mm f/1.4 DG Art and the Viltrox AF 135mm f/1.8 LAB side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 135mm f/1.4 DG Art if you want a brighter f/1.4 (0.7 stops more light), for dim light and softer backgrounds. Pick the Viltrox AF 135mm f/1.8 LAB if you want a lighter lens (1235 g against 1420 g).

Still torn? Ask the guide about the Sigma 135mm f/1.4 DG Art and the Viltrox AF 135mm f/1.8 LAB

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 135mm f/1.4 DG Art	Viltrox AF 135mm f/1.8 LAB
Maker	Sigma	Viltrox
Focal length	135mm (prime)	135mm (prime)
Full-frame equivalent	135mm	135mm
Maximum aperture	f/1.4brighter	f/1.8
Made for	Full frame	Full frame
Mounts	Sony E, L-Mount	Sony E, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	1420 g	1235 glighter
Cameras it fits	66 in this guide	57 in this guide

Focal range, in full-frame terms

Sigma 135mm f/1.4 DG Art: 135mm.

Viltrox AF 135mm f/1.8 LAB: 135mm.

Aperture

Sigma 135mm f/1.4 DG Art: f/1.4 wide open.

Viltrox AF 135mm f/1.8 LAB: 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 135mm f/1.4 DG Art fits 66 and the Viltrox AF 135mm f/1.8 LAB 57.