Compare lenses

Sigma 30mm f/2.8 DN Art vs Sigma 45mm f/2.8 DG Contemporary

The Sigma 30mm f/2.8 DN Art and the Sigma 45mm f/2.8 DG Contemporary side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 30mm f/2.8 DN Art if you want a design for APS-C, which usually means smaller and lighter; a fit on more cameras (90 against 66 in this guide); and a lighter lens (140 g against 230 g). Pick the Sigma 45mm f/2.8 DG Contemporary if you want coverage of full frame, so it suits the larger-sensor bodies too.

Still torn? Ask the guide about the Sigma 30mm f/2.8 DN Art and the Sigma 45mm f/2.8 DG Contemporary

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 30mm f/2.8 DN Art	Sigma 45mm f/2.8 DG Contemporary
Maker	Sigma	Sigma
Focal length	30mm (prime)	45mm (prime)
Full-frame equivalent	45mm on APS-C	45mm
Maximum aperture	f/2.8	f/2.8
Made for	APS-C	Full frame
Mounts	Sony E, Micro Four Thirds	Sony E, L-Mount
Stabilised	no	no
Autofocus	yes	yes
Weight	140 glighter	230 g
Cameras it fits	90 in this guidefits more cameras	66 in this guide

Focal range, in full-frame terms

Sigma 30mm f/2.8 DN Art: 30mm on APS-C, like 45mm.

Sigma 45mm f/2.8 DG Contemporary: 45mm.

Aperture

Sigma 30mm f/2.8 DN Art: f/2.8 wide open.

Sigma 45mm f/2.8 DG Contemporary: f/2.8 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

41 cameras in this guide take both, so either works on the same body. In all, the Sigma 30mm f/2.8 DN Art fits 90 and the Sigma 45mm f/2.8 DG Contemporary 66.