Voigtl nder nokton 50mm f 1 2 vs ttartisan 50mm f 1 2?

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 TTArtisan 50mm f/1.2: TTArtisan 50mm f/1.2: A prime lens by TTArtisan for APS-C cameras, 50mm f/1.2. Specs - Maker: TTArtisan - Focal length: 50mm (prime) - Maximum aperture: f/1.2 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z, Canon RF, L-Mount, Micro Four Thirds - Stabilised: no - Autofocus: no, manual focus What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z, L-Mount): like 75mm on full frame; f/1.2 ...

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