Compare lenses

Sigma 15mm f/1.4 DC Contemporary vs Sirui Sniper 16mm f/1.2

The Sigma 15mm f/1.4 DC Contemporary and the Sirui Sniper 16mm f/1.2 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sirui Sniper 16mm f/1.2 if you want a brighter f/1.2 (0.4 stops more light), for dim light and softer backgrounds. On these specs the Sigma 15mm f/1.4 DC Contemporary 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 15mm f/1.4 DC Contemporary and the Sirui Sniper 16mm 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 15mm f/1.4 DC Contemporary	Sirui Sniper 16mm f/1.2
Maker	Sigma	Sirui
Focal length	15mm (prime)	16mm (prime)
Full-frame equivalent	22mm on APS-C	24mm on APS-C
Maximum aperture	f/1.4	f/1.2brighter
Made for	APS-C	APS-C
Mounts	Sony E, Fujifilm X, Canon RF	Sony E, Fujifilm X, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	220 g	not listed
Cameras it fits	90 in this guide	88 in this guide

Focal range, in full-frame terms

Sigma 15mm f/1.4 DC Contemporary: 15mm on APS-C, like 22mm.

Sirui Sniper 16mm f/1.2: 16mm on APS-C, like 24mm.

Aperture

Sigma 15mm f/1.4 DC Contemporary: f/1.4 wide open.

Sirui Sniper 16mm 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 15mm f/1.4 DC Contemporary fits 90 and the Sirui Sniper 16mm f/1.2 88.