Is the voigtl nder nokton 50mm f 1 2 sharp wide open?

Here is what the site says about that.

From Voigtländer Nokton 50mm f/1.2: Voigtländer Nokton 50mm f/1.2: A prime lens by Voigtländer for APS-C cameras, 50mm f/1.2. An APS-C design for Fujifilm X, separate from the full-frame Aspherical. Specs - Maker: Voigtländer - Focal length: 50mm (prime) - Maximum aperture: f/1.2 - Made for: APS-C sensors - Mounts: Fujifilm X - Stabilised: no - Autofocus: no, manual focus What it frames like - On APS-C (Fujifilm X): like 75mm on full frame; f/1.2 gives about the depth ...

From Voigtländer Nokton Classic 35mm f/1.4: Voigtländer Nokton Classic 35mm f/1.4: A prime lens by Voigtländer for Full frame cameras, 35mm f/1.4. A compact fast 35mm with a soft, classic look wide open.

Quoted from this site's pages.