Compare lenses

Sigma 50mm f/2 DG Contemporary vs Viltrox AF 50mm f/2 Air

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

Which to pick

Pick the Viltrox AF 50mm f/2 Air if you want a fit on more cameras (82 against 66 in this guide) and a lighter lens (205 g against 345 g). On these specs the Sigma 50mm f/2 DG 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 50mm f/2 DG Contemporary and the Viltrox AF 50mm f/2 Air

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 ContemporaryViltrox AF 50mm f/2 Air
MakerSigmaViltrox
Focal length50mm (prime)50mm (prime)
Full-frame equivalent50mm50mm
Maximum aperturef/2f/2
Made forFull frameFull frame
MountsSony E, L-MountSony E, Nikon Z, L-Mount
Stabilisednono
Autofocusyesyes
Weight345 g205 glighter
Cameras it fits66 in this guide82 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080050mm equiv.Sigma
Sigma 50mm f/2 DG Contemporary: 50mm.
142435508513520040080050mm equiv.Viltrox
Viltrox AF 50mm f/2 Air: 50mm.

Aperture

f/2
Sigma 50mm f/2 DG Contemporary: f/2 wide open.
f/2
Viltrox AF 50mm f/2 Air: 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°Viltrox · 40°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

66 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 Viltrox AF 50mm f/2 Air 82.

Sigma 50mm f/2 DG Contemporary

and 56 more

Viltrox AF 50mm f/2 Air

and 72 more

On their own pages