Compare lenses

Samyang AF 14mm f/2.8 vs Viltrox AF 9mm f/2.8 Air

The Samyang AF 14mm f/2.8 and the Viltrox AF 9mm f/2.8 Air side by side, computed from this guide's catalogue.

Which to pick

Pick the Samyang AF 14mm f/2.8 if you want coverage of full frame, so it suits the larger-sensor bodies too. Pick the Viltrox AF 9mm f/2.8 Air if you want a design for APS-C, which usually means smaller and lighter; a fit on more cameras (88 against 59 in this guide); and a lighter lens (175 g against 505 g).

Still torn? Ask the guide about the Samyang AF 14mm f/2.8 and the Viltrox AF 9mm f/2.8 Air

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 14mm f/2.8Viltrox AF 9mm f/2.8 Air
MakerSamyangViltrox
Focal length14mm (prime)9mm (prime)
Full-frame equivalent14mm14mm on APS-C
Maximum aperturef/2.8f/2.8
Made forFull frameAPS-C
MountsSony E, Canon RFSony E, Fujifilm X, Nikon Z
Stabilisednono
Autofocusyesyes
Weight505 g175 glighter
Cameras it fits59 in this guide88 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080014mm equiv.Samyang
Samyang AF 14mm f/2.8: 14mm.
142435508513520040080014mm equiv.Viltrox
Viltrox AF 9mm f/2.8 Air: 9mm on APS-C, like 14mm.

Aperture

f/2.8
Samyang AF 14mm f/2.8: f/2.8 wide open.
f/2.8
Viltrox AF 9mm f/2.8 Air: f/2.8 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

Viltrox · 106°Samyang · 104°
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 14mm f/2.8 fits 59 and the Viltrox AF 9mm f/2.8 Air 88.

Samyang AF 14mm f/2.8

and 49 more

Viltrox AF 9mm f/2.8 Air

and 78 more

On their own pages