Compare lenses

Laowa 17mm f/1.8 MFT vs Yongnuo YN17mm f/1.7M

The Laowa 17mm f/1.8 MFT and the Yongnuo YN17mm f/1.7M side by side, computed from this guide's catalogue.

Which to pick

Pick the Yongnuo YN17mm f/1.7M if you want autofocus. On these specs the Laowa 17mm f/1.8 MFT 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 Laowa 17mm f/1.8 MFT and the Yongnuo YN17mm f/1.7M

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Laowa 17mm f/1.8 MFT	Yongnuo YN17mm f/1.7M
Maker	Laowa	Yongnuo
Focal length	17mm (prime)	17mm (prime)
Full-frame equivalent	34mm on Micro Four Thirds	34mm on Micro Four Thirds
Maximum aperture	f/1.8	f/1.7
Made for	Micro Four Thirds	Micro Four Thirds
Mounts	Micro Four Thirds	Micro Four Thirds
Stabilised	no	no
Autofocus	no, manual focus	yesautofocus
Cameras it fits	49 in this guide	49 in this guide

Focal range, in full-frame terms

Laowa 17mm f/1.8 MFT: 17mm on Micro Four Thirds, like 34mm.

Yongnuo YN17mm f/1.7M: 17mm on Micro Four Thirds, like 34mm.

Aperture

Laowa 17mm f/1.8 MFT: f/1.8 wide open.

Yongnuo YN17mm f/1.7M: f/1.7 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

49 cameras in this guide take both, so either works on the same body.