Compare lenses

Samyang AF 16mm f/2.8 P FE vs Sigma 17mm f/4 DG Contemporary

The Samyang AF 16mm f/2.8 P FE and the Sigma 17mm f/4 DG Contemporary side by side, computed from this guide's catalogue.

Which to pick

Pick the Samyang AF 16mm f/2.8 P FE if you want a brighter f/2.8 (1.0 stops more light), for dim light and softer backgrounds. Pick the Sigma 17mm f/4 DG Contemporary if you want a fit on more cameras (66 against 41 in this guide).

Still torn? Ask the guide about the Samyang AF 16mm f/2.8 P FE and the Sigma 17mm f/4 DG 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 16mm f/2.8 P FESigma 17mm f/4 DG Contemporary
MakerSamyangSigma
Focal length16mm (prime)17mm (prime)
Full-frame equivalent16mm17mm
Maximum aperturef/2.8brighterf/4
Made forFull frameFull frame
MountsSony ESony E, L-Mount
Stabilisednono
Autofocusyesyes
Weightnot listed220 g
Cameras it fits41 in this guide66 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080016mm equiv.Samyang
Samyang AF 16mm f/2.8 P FE: 16mm.
142435508513520040080017mm equiv.Sigma
Sigma 17mm f/4 DG Contemporary: 17mm.

Aperture

f/2.8
Samyang AF 16mm f/2.8 P FE: f/2.8 wide open.
f/4
Sigma 17mm f/4 DG Contemporary: f/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 · 97°Sigma · 93°
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 Samyang AF 16mm f/2.8 P FE fits 41 and the Sigma 17mm f/4 DG Contemporary 66.

Samyang AF 16mm f/2.8 P FE

and 31 more

Sigma 17mm f/4 DG Contemporary

and 56 more

On their own pages