Compare lenses

Panasonic Lumix S 20mm f/2.5 vs Viltrox AF 20mm f/2.8 Air

The Panasonic Lumix S 20mm f/2.5 and the Viltrox AF 20mm f/2.8 Air side by side, computed from this guide's catalogue.

Which to pick

Pick the Panasonic Lumix S 20mm f/2.5 if you want a brighter f/2.5 (0.3 stops more light), for dim light and softer backgrounds. Pick the Viltrox AF 20mm f/2.8 Air if you want a fit on more cameras (82 against 25 in this guide).

Still torn? Ask the guide about the Panasonic Lumix S 20mm f/2.5 and the Viltrox AF 20mm 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.
Spec	Panasonic Lumix S 20mm f/2.5	Viltrox AF 20mm f/2.8 Air
Maker	Panasonic	Viltrox
Focal length	20mm (prime)	20mm (prime)
Full-frame equivalent	20mm	20mm
Maximum aperture	f/2.5brighter	f/2.8
Made for	Full frame	Full frame
Mounts	L-Mount	Sony E, Nikon Z, L-Mount
Stabilised	no	no
Autofocus	yes	yes
Weight	not listed	157 g
Cameras it fits	25 in this guide	82 in this guidefits more cameras

Focal range, in full-frame terms

Panasonic Lumix S 20mm f/2.5: 20mm.

Viltrox AF 20mm f/2.8 Air: 20mm.

Aperture

Panasonic Lumix S 20mm f/2.5: f/2.5 wide open.

Viltrox AF 20mm 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

How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

25 cameras in this guide take both, so either works on the same body. In all, the Panasonic Lumix S 20mm f/2.5 fits 25 and the Viltrox AF 20mm f/2.8 Air 82.