Is the 7artisans 55mm f 1 4 sharp wide open?

Here is what the site says about that.

From 7Artisans 55mm f/1.4: 7Artisans 55mm f/1.4: A prime lens by 7Artisans for APS-C cameras, 55mm f/1.4. Specs - Maker: 7Artisans - Focal length: 55mm (prime) - Maximum aperture: f/1.4 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X - Stabilised: no - Autofocus: no, manual focus What it frames like - On APS-C (Sony E, Fujifilm X): like 82mm on full frame; f/1.4 gives about the depth of field of f/2.1 there. - On ...

From Leica Summilux-M 50mm f/1.4: Leica Summilux-M 50mm f/1.4: A prime lens by Leica for Full frame cameras, 50mm f/1.4. A 2025 remake of the 1959 Summilux, softer wide open than the ASPH version.

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