Compare lenses

Sigma 135mm f/1.4 DG Art vs Sigma 135mm f/1.8 DG HSM Art

The Sigma 135mm f/1.4 DG Art and the Sigma 135mm f/1.8 DG HSM Art side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 135mm f/1.4 DG Art if you want a brighter f/1.4 (0.7 stops more light), for dim light and softer backgrounds. Pick the Sigma 135mm f/1.8 DG HSM Art if you want a fit on more cameras (105 against 66 in this guide).

Still torn? Ask the guide about the Sigma 135mm f/1.4 DG Art and the Sigma 135mm f/1.8 DG HSM Art

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 135mm f/1.4 DG Art	Sigma 135mm f/1.8 DG HSM Art
Maker	Sigma	Sigma
Focal length	135mm (prime)	135mm (prime)
Full-frame equivalent	135mm	135mm
Maximum aperture	f/1.4brighter	f/1.8
Made for	Full frame	Full frame
Mounts	Sony E, L-Mount	Canon EF, Nikon F, Sony E, L-Mount
Stabilised	no	no
Autofocus	yes	yes
Weight	1420 g	not listed
Cameras it fits	66 in this guide	105 in this guidefits more cameras

Focal range, in full-frame terms

Sigma 135mm f/1.4 DG Art: 135mm.

Sigma 135mm f/1.8 DG HSM Art: 135mm.

Aperture

Sigma 135mm f/1.4 DG Art: f/1.4 wide open.

Sigma 135mm f/1.8 DG HSM Art: f/1.8 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

66 cameras in this guide take both, so either works on the same body. In all, the Sigma 135mm f/1.4 DG Art fits 66 and the Sigma 135mm f/1.8 DG HSM Art 105.