Compare lenses

Sigma 45mm f/2.8 DG Contemporary vs Sony E 30mm f/3.5 Macro

The Sigma 45mm f/2.8 DG Contemporary and the Sony E 30mm f/3.5 Macro side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 45mm f/2.8 DG Contemporary if you want a brighter f/2.8 (0.6 stops more light), for dim light and softer backgrounds; coverage of full frame, so it suits the larger-sensor bodies too; and a fit on more cameras (66 against 41 in this guide). Pick the Sony E 30mm f/3.5 Macro if you want a design for APS-C, which usually means smaller and lighter and a lighter lens (138 g against 230 g).

Still torn? Ask the guide about the Sigma 45mm f/2.8 DG Contemporary and the Sony E 30mm f/3.5 Macro

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 45mm f/2.8 DG Contemporary	Sony E 30mm f/3.5 Macro
Maker	Sigma	Sony
Focal length	45mm (prime)	30mm (macro)
Full-frame equivalent	45mm	45mm on APS-C
Maximum aperture	f/2.8brighter	f/3.5
Made for	Full frame	APS-C
Mounts	Sony E, L-Mount	Sony E
Stabilised	no	no
Autofocus	yes	yes
Weight	230 g	138 glighter
Cameras it fits	66 in this guidefits more cameras	41 in this guide

Focal range, in full-frame terms

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

Sony E 30mm f/3.5 Macro: 30mm on APS-C, like 45mm.

Aperture

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

Sony E 30mm f/3.5 Macro: f/3.5 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 45mm f/2.8 DG Contemporary fits 66 and the Sony E 30mm f/3.5 Macro 41.