Canon rf 85mm f 2 macro is stm vs viltrox af 85mm f 1 8 ii?

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From Canon RF 85mm f/2 Macro IS STM: Canon RF 85mm f/2 Macro IS STM: A macro lens by Canon for Full frame cameras, 85mm f/2. Specs - Maker: Canon - Focal length: 85mm (macro) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Canon RF - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Canon RF): as marked, 85mm. - On APS-C (Canon) (Canon RF): like 136mm on full frame; f/2 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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