Is the 7artisans 6mm f 2 sharp wide open?

Here is what the site says about that.

From 7Artisans 6mm f/2: 7Artisans 6mm f/2: A prime lens by 7Artisans for APS-C cameras, 6mm f/2. Specs - Maker: 7Artisans - Focal length: 6mm (prime) - Maximum aperture: f/2 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z, Canon RF, Micro Four Thirds - Stabilised: no - Autofocus: no, manual focus What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 9mm on full frame; f/2 gives about ...

From Fujifilm XF 14mm f/2.8 R: Fujifilm XF 14mm f/2.8 R: A prime lens by Fujifilm for APS-C cameras, 14mm f/2.8. A sharp, low-distortion wide prime with a clutch for manual focus.

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