Compare lenses

Sigma 50mm f/2 DG Contemporary vs Zeiss Loxia 50mm f/2

The Sigma 50mm f/2 DG Contemporary and the Zeiss Loxia 50mm f/2 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 50mm f/2 DG Contemporary if you want autofocus and a fit on more cameras (66 against 41 in this guide). On these specs the Zeiss Loxia 50mm 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 Sigma 50mm f/2 DG Contemporary and the Zeiss Loxia 50mm f/2

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecSigma 50mm f/2 DG ContemporaryZeiss Loxia 50mm f/2
MakerSigmaZeiss
Focal length50mm (prime)50mm (prime)
Full-frame equivalent50mm50mm
Maximum aperturef/2f/2
Made forFull frameFull frame
MountsSony E, L-MountSony E
Stabilisednono
Autofocusyesautofocusno, manual focus
Weight345 g320 glighter
Cameras it fits66 in this guidefits more cameras41 in this guide

Focal range, in full-frame terms

142435508513520040080050mm equiv.Sigma
Sigma 50mm f/2 DG Contemporary: 50mm.
142435508513520040080050mm equiv.Zeiss
Zeiss Loxia 50mm f/2: 50mm.

Aperture

f/2
Sigma 50mm f/2 DG Contemporary: f/2 wide open.
f/2
Zeiss Loxia 50mm f/2: f/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

Sigma · 40°Zeiss · 40°
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 Sigma 50mm f/2 DG Contemporary fits 66 and the Zeiss Loxia 50mm f/2 41.

Sigma 50mm f/2 DG Contemporary

and 56 more

Zeiss Loxia 50mm f/2

and 31 more

On their own pages