Compare lenses

Sigma 12mm f/1.4 DC Contemporary vs Viltrox AF 13mm f/1.4

The Sigma 12mm f/1.4 DC Contemporary and the Viltrox AF 13mm f/1.4 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 12mm f/1.4 DC Contemporary if you want a lighter lens (225 g against 420 g). On these specs the Viltrox AF 13mm f/1.4 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 12mm f/1.4 DC Contemporary and the Viltrox AF 13mm f/1.4

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 12mm f/1.4 DC Contemporary	Viltrox AF 13mm f/1.4
Maker	Sigma	Viltrox
Focal length	12mm (prime)	13mm (prime)
Full-frame equivalent	18mm on APS-C	20mm on APS-C
Maximum aperture	f/1.4	f/1.4
Made for	APS-C	APS-C
Mounts	Sony E, Fujifilm X, Canon RF	Fujifilm X, Sony E, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	225 glighter	420 g
Cameras it fits	90 in this guide	88 in this guide

Focal range, in full-frame terms

Sigma 12mm f/1.4 DC Contemporary: 12mm on APS-C, like 18mm.

Viltrox AF 13mm f/1.4: 13mm on APS-C, like 20mm.

Aperture

Sigma 12mm f/1.4 DC Contemporary: f/1.4 wide open.

Viltrox AF 13mm f/1.4: f/1.4 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

72 cameras in this guide take both, so either works on the same body. In all, the Sigma 12mm f/1.4 DC Contemporary fits 90 and the Viltrox AF 13mm f/1.4 88.