Compare lenses

Sigma 85mm f/1.4 DG DN Art vs Yongnuo YN85mm f/1.8 DF DSM

The Sigma 85mm f/1.4 DG DN Art and the Yongnuo YN85mm f/1.8 DF DSM side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 85mm f/1.4 DG DN Art if you want a brighter f/1.4 (0.7 stops more light), for dim light and softer backgrounds. On these specs the Yongnuo YN85mm f/1.8 DF DSM has no clear advantage: choose it if the price, the handling or a lens you own decides it.

Still torn? Ask the guide about the Sigma 85mm f/1.4 DG DN Art and the Yongnuo YN85mm f/1.8 DF DSM

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 85mm f/1.4 DG DN Art	Yongnuo YN85mm f/1.8 DF DSM
Maker	Sigma	Yongnuo
Focal length	85mm (prime)	85mm (prime)
Full-frame equivalent	85mm	85mm
Maximum aperture	f/1.4brighter	f/1.8
Made for	Full frame	Full frame
Mounts	Sony E, L-Mount	Sony E, Nikon Z, Canon RF
Stabilised	no	no
Autofocus	yes	yes
Weight	625 g	not listed
Cameras it fits	66 in this guide	75 in this guide

Focal range, in full-frame terms

Sigma 85mm f/1.4 DG DN Art: 85mm.

Yongnuo YN85mm f/1.8 DF DSM: 85mm.

Aperture

Sigma 85mm f/1.4 DG DN Art: f/1.4 wide open.

Yongnuo YN85mm f/1.8 DF DSM: 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

41 cameras in this guide take both, so either works on the same body. In all, the Sigma 85mm f/1.4 DG DN Art fits 66 and the Yongnuo YN85mm f/1.8 DF DSM 75.