Compare lenses

Sigma 17mm f/4 DG Contemporary vs Zeiss Batis 18mm f/2.8

The Sigma 17mm f/4 DG Contemporary and the Zeiss Batis 18mm f/2.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 17mm f/4 DG Contemporary if you want a fit on more cameras (66 against 41 in this guide) and a lighter lens (220 g against 330 g). Pick the Zeiss Batis 18mm f/2.8 if you want a brighter f/2.8 (1.0 stops more light), for dim light and softer backgrounds.

Still torn? Ask the guide about the Sigma 17mm f/4 DG Contemporary and the Zeiss Batis 18mm 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 17mm f/4 DG Contemporary	Zeiss Batis 18mm f/2.8
Maker	Sigma	Zeiss
Focal length	17mm (prime)	18mm (prime)
Full-frame equivalent	17mm	18mm
Maximum aperture	f/4	f/2.8brighter
Made for	Full frame	Full frame
Mounts	Sony E, L-Mount	Sony E
Stabilised	no	no
Autofocus	yes	yes
Weight	220 glighter	330 g
Cameras it fits	66 in this guidefits more cameras	41 in this guide

Focal range, in full-frame terms

Sigma 17mm f/4 DG Contemporary: 17mm.

Zeiss Batis 18mm f/2.8: 18mm.

Aperture

Sigma 17mm f/4 DG Contemporary: f/4 wide open.

Zeiss Batis 18mm 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 17mm f/4 DG Contemporary fits 66 and the Zeiss Batis 18mm f/2.8 41.