Canon rf 85mm f 1 2l usm vs sigma 56mm f 1 4 dc dn contemporary?

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From Sigma 56mm f/1.4 DC DN Contemporary: Sigma 56mm f/1.4 DC DN Contemporary: A prime lens by Sigma for APS-C cameras, 56mm f/1.4. An 85mm-equivalent portrait lens on APS-C, and a 112mm one on Micro Four Thirds. Specs - Maker: Sigma - Focal length: 56mm (prime) - Maximum aperture: f/1.4 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Micro Four Thirds, L-Mount, Canon RF, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony ...

From Canon RF 85mm f/1.2L USM: Canon RF 85mm f/1.2L USM: A prime lens by Canon for Full frame cameras, 85mm f/1.2. Specs - Maker: Canon - Focal length: 85mm (prime) - Maximum aperture: f/1.2 - Made for: Full frame sensors - Mounts: Canon RF - Stabilised: no - 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/1.2 gives about the depth of ...

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