Is the sony fe 16mm f 1 8 g sharp wide open?

Here is what the site says about that.

From Sony FE 16mm f/1.8 G: Sony FE 16mm f/1.8 G: A prime lens by Sony for Full frame cameras, 16mm f/1.8. A small, fast ultra-wide prime that takes ordinary screw-in filters. Specs - Maker: Sony - Focal length: 16mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 16mm. - On APS-C (Sony E): like 24mm ...

From Sony FE 40mm f/2.5 G: Sony FE 40mm f/2.5 G: A prime lens by Sony for Full frame cameras, 40mm f/2.5. Tiny and sharp: a lovely everyday lens on the compact bodies.

Quoted from this site's pages.