Compare lenses

Sigma 19mm f/2.8 DN Art vs Sony E 20mm f/2.8

The Sigma 19mm f/2.8 DN Art and the Sony E 20mm f/2.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 19mm f/2.8 DN Art if you want a fit on more cameras (90 against 41 in this guide). Pick the Sony E 20mm f/2.8 if you want a lighter lens (69 g against 160 g).

Still torn? Ask the guide about the Sigma 19mm f/2.8 DN Art and the Sony E 20mm f/2.8

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Sigma 19mm f/2.8 DN Art	Sony E 20mm f/2.8
Maker	Sigma	Sony
Focal length	19mm (prime)	20mm (prime)
Full-frame equivalent	28mm on APS-C	30mm on APS-C
Maximum aperture	f/2.8	f/2.8
Made for	APS-C	APS-C
Mounts	Sony E, Micro Four Thirds	Sony E
Stabilised	no	no
Autofocus	yes	yes
Weight	160 g	69 glighter
Cameras it fits	90 in this guidefits more cameras	41 in this guide

Focal range, in full-frame terms

Sigma 19mm f/2.8 DN Art: 19mm on APS-C, like 28mm.

Sony E 20mm f/2.8: 20mm on APS-C, like 30mm.

Aperture

Sigma 19mm f/2.8 DN Art: f/2.8 wide open.

Sony E 20mm f/2.8: 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

41 cameras in this guide take both, so either works on the same body. In all, the Sigma 19mm f/2.8 DN Art fits 90 and the Sony E 20mm f/2.8 41.