Compare lenses

Sigma 23mm f/1.4 DC DN Contemporary vs Sirui Sniper 23mm f/1.2

The Sigma 23mm f/1.4 DC DN Contemporary and the Sirui Sniper 23mm f/1.2 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 fit on more cameras (115 against 88 in this guide). Pick the Sirui Sniper 23mm f/1.2 if you want a brighter f/1.2 (0.4 stops more light), for dim light and softer backgrounds.

Still torn? Ask the guide about the Sigma 23mm f/1.4 DC DN Contemporary and the Sirui Sniper 23mm f/1.2

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	Sirui Sniper 23mm f/1.2
Maker	Sigma	Sirui
Focal length	23mm (prime)	23mm (prime)
Full-frame equivalent	34mm on APS-C	34mm on APS-C
Maximum aperture	f/1.4	f/1.2brighter
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	not listed
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.

Sirui Sniper 23mm f/1.2: 23mm on APS-C, like 34mm.

Aperture

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

Sirui Sniper 23mm f/1.2: f/1.2 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 Sirui Sniper 23mm f/1.2 88.