Voigtl nder heliar hyper wide 10mm f 5 6 aspherical vs 7artisans 9mm f 5 6?

Here is what the site says about that.

From Voigtländer Heliar-Hyper Wide 10mm f/5.6 Aspherical: Voigtländer Heliar-Hyper Wide 10mm f/5.6 Aspherical: A prime lens by Voigtländer for Full frame cameras, 10mm f/5.6. One of the widest rectilinear lenses made. Specs - Maker: Voigtländer - Focal length: 10mm (prime) - Maximum aperture: f/5.6 - Made for: Full frame sensors - Mounts: Sony E, Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Leica M): as marked, 10mm. - On APS-C (Sony ...

From 7Artisans 9mm f/5.6: 7Artisans 9mm f/5.6: A prime lens by 7Artisans for Full frame cameras, 9mm f/5.6. Specs - Maker: 7Artisans - Focal length: 9mm (prime) - Maximum aperture: f/5.6 - Made for: Full frame sensors - Mounts: Sony E, Nikon Z, Canon RF, L-Mount - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Nikon Z, Canon RF, L-Mount): as marked, 9mm. - On APS-C (Sony E, ...

Quoted from this site's pages.