Compare lenses

Sigma 23mm f/1.4 DC DN Contemporary vs TTArtisan AF 23mm f/1.8

The Sigma 23mm f/1.4 DC DN Contemporary and the TTArtisan AF 23mm f/1.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 23mm 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 (115 against 88 in this guide). Pick the TTArtisan AF 23mm f/1.8 if you want a lighter lens (210 g against 330 g).

Still torn? Ask the guide about the Sigma 23mm f/1.4 DC DN Contemporary and the TTArtisan AF 23mm 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 23mm f/1.4 DC DN Contemporary	TTArtisan AF 23mm f/1.8
Maker	Sigma	TTArtisan
Focal length	23mm (prime)	23mm (prime)
Full-frame equivalent	34mm on APS-C	34mm on APS-C
Maximum aperture	f/1.4brighter	f/1.8
Made for	APS-C	APS-C
Mounts	Sony E, Fujifilm X, L-Mount, Canon RF	Sony E, Fujifilm X, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	330 g	210 glighter
Cameras it fits	115 in this guidefits more cameras	88 in this guide

Focal range, in full-frame terms

Sigma 23mm f/1.4 DC DN Contemporary: 23mm on APS-C, like 34mm.

TTArtisan AF 23mm f/1.8: 23mm on APS-C, like 34mm.

Aperture

Sigma 23mm f/1.4 DC DN Contemporary: f/1.4 wide open.

TTArtisan AF 23mm 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

72 cameras in this guide take both, so either works on the same body. In all, the Sigma 23mm f/1.4 DC DN Contemporary fits 115 and the TTArtisan AF 23mm f/1.8 88.