Compare lenses

Samyang AF 45mm f/1.8 FE vs Sigma 30mm f/1.4 DC DN Contemporary

The Samyang AF 45mm f/1.8 FE and the Sigma 30mm f/1.4 DC DN Contemporary side by side, computed from this guide's catalogue.

Which to pick

Pick the Samyang AF 45mm f/1.8 FE if you want coverage of full frame, so it suits the larger-sensor bodies too. Pick the Sigma 30mm 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; a design for APS-C, which usually means smaller and lighter; and a fit on more cameras (180 against 41 in this guide).

Still torn? Ask the guide about the Samyang AF 45mm f/1.8 FE and the Sigma 30mm f/1.4 DC DN 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	Samyang AF 45mm f/1.8 FE	Sigma 30mm f/1.4 DC DN Contemporary
Maker	Samyang	Sigma
Focal length	45mm (prime)	30mm (prime)
Full-frame equivalent	45mm	45mm on APS-C
Maximum aperture	f/1.8	f/1.4brighter
Made for	Full frame	APS-C
Mounts	Sony E	Sony E, Fujifilm X, Micro Four Thirds, L-Mount, Canon RF, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	not listed	265 g
Cameras it fits	41 in this guide	180 in this guidefits more cameras

Focal range, in full-frame terms

Samyang AF 45mm f/1.8 FE: 45mm.

Sigma 30mm f/1.4 DC DN Contemporary: 30mm on APS-C, like 45mm.

Aperture

Samyang AF 45mm f/1.8 FE: f/1.8 wide open.

Sigma 30mm f/1.4 DC DN Contemporary: f/1.4 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 Samyang AF 45mm f/1.8 FE fits 41 and the Sigma 30mm f/1.4 DC DN Contemporary 180.