Compare lenses

Viltrox AF 25mm f/1.7 Air vs Viltrox AF 27mm f/1.2 Pro

The Viltrox AF 25mm f/1.7 Air and the Viltrox AF 27mm f/1.2 Pro side by side, computed from this guide's catalogue.

Which to pick

Pick the Viltrox AF 25mm f/1.7 Air if you want a lighter lens (170 g against 565 g). Pick the Viltrox AF 27mm f/1.2 Pro if you want a brighter f/1.2 (1.0 stops more light), for dim light and softer backgrounds.

Still torn? Ask the guide about the Viltrox AF 25mm f/1.7 Air and the Viltrox AF 27mm f/1.2 Pro

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecViltrox AF 25mm f/1.7 AirViltrox AF 27mm f/1.2 Pro
MakerViltroxViltrox
Focal length25mm (prime)27mm (prime)
Full-frame equivalent38mm on APS-C40mm on APS-C
Maximum aperturef/1.7f/1.2brighter
Made forAPS-CAPS-C
MountsSony E, Fujifilm X, Nikon ZFujifilm X, Sony E, Nikon Z
Stabilisednono
Autofocusyesyes
Weight170 glighter565 g
Cameras it fits88 in this guide88 in this guide

Focal range, in full-frame terms

142435508513520040080038mm equiv.AF 25mm f/1.7
Viltrox AF 25mm f/1.7 Air: 25mm on APS-C, like 38mm.
142435508513520040080040mm equiv.AF 27mm f/1.2
Viltrox AF 27mm f/1.2 Pro: 27mm on APS-C, like 40mm.

Aperture

f/1.7
Viltrox AF 25mm f/1.7 Air: f/1.7 wide open.
f/1.2
Viltrox AF 27mm f/1.2 Pro: f/1.2 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

AF 25mm f/1.7 · 51°AF 27mm f/1.2 · 48°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

88 cameras in this guide take both, so either works on the same body.

Viltrox AF 25mm f/1.7 Air

and 78 more

Viltrox AF 27mm f/1.2 Pro

and 78 more

On their own pages