Is the yongnuo yn11mm f 1 8s da dsm wl sharp wide open?

Here is what the site says about that.

From Yongnuo YN11mm f/1.8S DA DSM WL: Yongnuo YN11mm f/1.8S DA DSM WL: A prime lens by Yongnuo for APS-C cameras, 11mm f/1.8. Specs - Maker: Yongnuo - Focal length: 11mm (prime) - Maximum aperture: f/1.8 - Made for: APS-C sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E): like 16mm on full frame; f/1.8 gives about the depth of field of f/2.7 there. - On the larger-sensor bodies of Sony E: ...

From Yongnuo YN16mm f/1.8S DA DSM: Yongnuo YN16mm f/1.8S DA DSM: A prime lens by Yongnuo for APS-C cameras, 16mm f/1.8.

Quoted from this site's pages.