Compare lenses

Canon EF 50mm f/1.2L USM vs Sigma 50mm f/1.4 DG HSM Art

The Canon EF 50mm f/1.2L USM and the Sigma 50mm f/1.4 DG HSM Art side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon EF 50mm f/1.2L USM if you want a brighter f/1.2 (0.4 stops more light), for dim light and softer backgrounds. Pick the Sigma 50mm f/1.4 DG HSM Art if you want a fit on more cameras (105 against 22 in this guide).

Still torn? Ask the guide about the Canon EF 50mm f/1.2L USM and the Sigma 50mm f/1.4 DG HSM Art

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecCanon EF 50mm f/1.2L USMSigma 50mm f/1.4 DG HSM Art
MakerCanonSigma
Focal length50mm (prime)50mm (prime)
Full-frame equivalent50mm50mm
Maximum aperturef/1.2brighterf/1.4
Made forFull frameFull frame
MountsCanon EFCanon EF, Nikon F, Sony E, L-Mount
Stabilisednono
Autofocusyesyes
Cameras it fits22 in this guide105 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080050mm equiv.Canon
Canon EF 50mm f/1.2L USM: 50mm.
142435508513520040080050mm equiv.Sigma
Sigma 50mm f/1.4 DG HSM Art: 50mm.

Aperture

f/1.2
Canon EF 50mm f/1.2L USM: f/1.2 wide open.
f/1.4
Sigma 50mm f/1.4 DG HSM Art: 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

Canon · 40°Sigma · 40°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

22 cameras in this guide take both, so either works on the same body. In all, the Canon EF 50mm f/1.2L USM fits 22 and the Sigma 50mm f/1.4 DG HSM Art 105.

Canon EF 50mm f/1.2L USM

and 12 more

Sigma 50mm f/1.4 DG HSM Art

and 95 more

On their own pages