Sony e 50mm f 1 8 oss vs ttartisan af 75mm f 2?

Here is what the site says about that.

From Sony E 50mm f/1.8 OSS: Sony E 50mm f/1.8 OSS: A prime lens by Sony for APS-C cameras, 50mm f/1.8. Specs - Maker: Sony - Focal length: 50mm (prime) - Maximum aperture: f/1.8 - Made for: APS-C sensors - Mounts: Sony E - Stabilised: yes - Autofocus: yes What it frames like - On APS-C (Sony E): like 75mm on full frame; f/1.8 gives about the depth of field of f/2.7 there. - On the larger-sensor bodies of Sony E: ...

From TTArtisan AF 75mm f/2: TTArtisan AF 75mm f/2: A prime lens by TTArtisan for Full frame cameras, 75mm f/2. Specs - Maker: TTArtisan - Focal length: 75mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Sony E, Fujifilm X, Nikon Z, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, Nikon Z, L-Mount): as marked, 75mm. - On APS-C (Sony E, Fujifilm X, Nikon Z, ...

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