Canon rf 50mm f 1 2l usm vs canon rf 45mm f 1 2 stm?

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From Canon RF 45mm f/1.2 STM: Canon RF 45mm f/1.2 STM: A prime lens by Canon for Full frame cameras, 45mm f/1.2. Canon's first f/1.2 lens outside the L series, and light at about 350 g. Specs - Maker: Canon - Focal length: 45mm (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, 45mm. - On APS-C ...

From Canon RF 50mm f/1.2L USM: Canon RF 50mm f/1.2L USM: A prime lens by Canon for Full frame cameras, 50mm f/1.2. Specs - Maker: Canon - Focal length: 50mm (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, 50mm. - On APS-C (Canon) (Canon RF): like 80mm on full frame; f/1.2 gives about the depth of ...

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