Compare lenses

Olympus M.Zuiko 17mm f/1.8 vs Yongnuo YN17mm f/1.7M

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

Which to pick

On these specs they are close to even: hold both if you can, and let the price, the handling and the lenses you want decide.

Still torn? Ask the guide about the Olympus M.Zuiko 17mm f/1.8 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.
SpecOlympus M.Zuiko 17mm f/1.8Yongnuo YN17mm f/1.7M
MakerOlympusYongnuo
Focal length17mm (prime)17mm (prime)
Full-frame equivalent34mm on Micro Four Thirds34mm on Micro Four Thirds
Maximum aperturef/1.8f/1.7
Made forMicro Four ThirdsMicro Four Thirds
MountsMicro Four ThirdsMicro Four Thirds
Stabilisednono
Autofocusyesyes
Weight120 gnot listed
Cameras it fits49 in this guide49 in this guide

Focal range, in full-frame terms

142435508513520040080034mm equiv.Olympus
Olympus M.Zuiko 17mm f/1.8: 17mm on Micro Four Thirds, like 34mm.
142435508513520040080034mm equiv.Yongnuo
Yongnuo YN17mm f/1.7M: 17mm on Micro Four Thirds, like 34mm.

Aperture

f/1.8
Olympus M.Zuiko 17mm f/1.8: f/1.8 wide open.
f/1.7
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

Olympus · 56°Yongnuo · 56°
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.

Olympus M.Zuiko 17mm f/1.8

and 39 more

Yongnuo YN17mm f/1.7M

and 39 more

On their own pages