Compare lenses

Sigma 16mm f/1.4 DC DN Contemporary vs TTArtisan AF 17mm f/1.8 Air

The Sigma 16mm f/1.4 DC DN Contemporary and the TTArtisan AF 17mm f/1.8 Air side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 16mm f/1.4 DC DN Contemporary 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 (180 against 88 in this guide). On these specs the TTArtisan AF 17mm f/1.8 Air 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 16mm f/1.4 DC DN Contemporary and the TTArtisan AF 17mm f/1.8 Air

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 16mm f/1.4 DC DN Contemporary	TTArtisan AF 17mm f/1.8 Air
Maker	Sigma	TTArtisan
Focal length	16mm (prime)	17mm (prime)
Full-frame equivalent	24mm on APS-C	26mm on APS-C
Maximum aperture	f/1.4brighter	f/1.8
Made for	APS-C	APS-C
Mounts	Sony E, Fujifilm X, Micro Four Thirds, L-Mount, Canon RF, Nikon Z	Sony E, Fujifilm X, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	405 g	not listed
Cameras it fits	180 in this guidefits more cameras	88 in this guide

Focal range, in full-frame terms

Sigma 16mm f/1.4 DC DN Contemporary: 16mm on APS-C, like 24mm.

TTArtisan AF 17mm f/1.8 Air: 17mm on APS-C, like 26mm.

Aperture

Sigma 16mm f/1.4 DC DN Contemporary: f/1.4 wide open.

TTArtisan AF 17mm f/1.8 Air: 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

88 cameras in this guide take both, so either works on the same body. In all, the Sigma 16mm f/1.4 DC DN Contemporary fits 180 and the TTArtisan AF 17mm f/1.8 Air 88.