Compare lenses

Samyang AF 12mm f/2 vs Sigma 12mm f/1.4 DC Contemporary

The Samyang AF 12mm f/2 and the Sigma 12mm f/1.4 DC Contemporary side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 12mm f/1.4 DC Contemporary if you want a brighter f/1.4 (1.0 stops more light), for dim light and softer backgrounds. On these specs the Samyang AF 12mm f/2 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 Samyang AF 12mm f/2 and the Sigma 12mm f/1.4 DC Contemporary

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecSamyang AF 12mm f/2Sigma 12mm f/1.4 DC Contemporary
MakerSamyangSigma
Focal length12mm (prime)12mm (prime)
Full-frame equivalent18mm on APS-C18mm on APS-C
Maximum aperturef/2f/1.4brighter
Made forAPS-CAPS-C
MountsSony E, Fujifilm X, Canon RFSony E, Fujifilm X, Canon RF
Stabilisednono
Autofocusyesyes
Weightnot listed225 g
Cameras it fits90 in this guide90 in this guide

Focal range, in full-frame terms

142435508513520040080018mm equiv.Samyang
Samyang AF 12mm f/2: 12mm on APS-C, like 18mm.
142435508513520040080018mm equiv.Sigma
Sigma 12mm f/1.4 DC Contemporary: 12mm on APS-C, like 18mm.

Aperture

f/2
Samyang AF 12mm f/2: f/2 wide open.
f/1.4
Sigma 12mm f/1.4 DC 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

Samyang · 90°Sigma · 90°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

90 cameras in this guide take both, so either works on the same body.

Samyang AF 12mm f/2

and 80 more

Sigma 12mm f/1.4 DC Contemporary

and 80 more

On their own pages