Compare lenses

Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art vs Viltrox AF 16mm f/1.8

The Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art and the Viltrox AF 16mm f/1.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art if you want a brighter f/1.4 (0.7 stops more light), for dim light and softer backgrounds. Pick the Viltrox AF 16mm f/1.8 if you want a fit on more cameras (82 against 66 in this guide) and a lighter lens (550 g against 1360 g).

Still torn? Ask the guide about the Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art and the Viltrox AF 16mm 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 15mm f/1.4 DG DN Diagonal Fisheye Art	Viltrox AF 16mm f/1.8
Maker	Sigma	Viltrox
Focal length	15mm (prime)	16mm (prime)
Full-frame equivalent	15mm	16mm
Maximum aperture	f/1.4brighter	f/1.8
Made for	Full frame	Full frame
Mounts	Sony E, L-Mount	Sony E, Nikon Z, L-Mount
Stabilised	no	no
Autofocus	yes	yes
Weight	1360 g	550 glighter
Cameras it fits	66 in this guide	82 in this guidefits more cameras

Focal range, in full-frame terms

Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art: 15mm.

Viltrox AF 16mm f/1.8: 16mm.

Aperture

Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art: f/1.4 wide open.

Viltrox AF 16mm 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

66 cameras in this guide take both, so either works on the same body. In all, the Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art fits 66 and the Viltrox AF 16mm f/1.8 82.