Canon rf 135mm f 1 8l is usm vs viltrox af 85mm f 1 8 ii?

Here is what the site says about that.

From Canon RF 135mm f/1.8L IS USM: Canon RF 135mm f/1.8L IS USM: A prime lens by Canon for Full frame cameras, 135mm f/1.8. Specs - Maker: Canon - Focal length: 135mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Canon RF - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Canon RF): as marked, 135mm. - On APS-C (Canon) (Canon RF): like 216mm on full frame; f/1.8 gives about the depth of ...

From Viltrox AF 85mm f/1.8 II: Viltrox AF 85mm f/1.8 II: A prime lens by Viltrox for Full frame cameras, 85mm f/1.8. Specs - Maker: Viltrox - Focal length: 85mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Sony E, Fujifilm X, Nikon Z, Canon RF - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, Nikon Z, Canon RF): as marked, 85mm. - On APS-C (Sony E, Fujifilm X, ...

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