How sharp is the 7artisans af 27mm f 2 8?

Here is what the site says about that.

From 7Artisans AF 27mm f/2.8: 7Artisans AF 27mm f/2.8: A prime lens by 7Artisans for APS-C cameras, 27mm f/2.8. Specs - Maker: 7Artisans - Focal length: 27mm (prime) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 40mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. ...

From TTArtisan AF 27mm f/2.8: TTArtisan AF 27mm f/2.8: A prime lens by TTArtisan for APS-C cameras, 27mm f/2.8. A tiny autofocus pancake for APS-C.

Quoted from this site's pages.