Compare lenses

Sigma 56mm f/1.4 DC DN Contemporary vs TTArtisan AF 56mm f/1.8

The Sigma 56mm f/1.4 DC DN Contemporary and the TTArtisan AF 56mm f/1.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 56mm 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 56mm f/1.8 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 56mm f/1.4 DC DN Contemporary and the TTArtisan AF 56mm 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.
SpecSigma 56mm f/1.4 DC DN ContemporaryTTArtisan AF 56mm f/1.8
MakerSigmaTTArtisan
Focal length56mm (prime)56mm (prime)
Full-frame equivalent84mm on APS-C84mm on APS-C
Maximum aperturef/1.4brighterf/1.8
Made forAPS-CAPS-C
MountsSony E, Fujifilm X, Micro Four Thirds, L-Mount, Canon RF, Nikon ZSony E, Fujifilm X, Nikon Z
Stabilisednono
Autofocusyesyes
Weight280 gnot listed
Cameras it fits180 in this guidefits more cameras88 in this guide

Focal range, in full-frame terms

142435508513520040080084mm equiv.Sigma
Sigma 56mm f/1.4 DC DN Contemporary: 56mm on APS-C, like 84mm.
142435508513520040080084mm equiv.TTArtisan
TTArtisan AF 56mm f/1.8: 56mm on APS-C, like 84mm.

Aperture

f/1.4
Sigma 56mm f/1.4 DC DN Contemporary: f/1.4 wide open.
f/1.8
TTArtisan AF 56mm 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

Sigma · 24°TTArtisan · 24°
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 56mm f/1.4 DC DN Contemporary fits 180 and the TTArtisan AF 56mm f/1.8 88.

Sigma 56mm f/1.4 DC DN Contemporary

and 170 more

TTArtisan AF 56mm f/1.8

and 78 more

On their own pages