Canon rf 100mm f 2 8l macro is usm vs canon rf 85mm f 2 macro is stm?

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From Canon RF 100mm f/2.8L Macro IS USM: Canon RF 100mm f/2.8L Macro IS USM: A macro lens by Canon for Full frame cameras, 100mm f/2.8. Specs - Maker: Canon - Focal length: 100mm (macro) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Canon RF - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Canon RF): as marked, 100mm. - On APS-C (Canon) (Canon RF): like 160mm on full frame; f/2.8 gives about the depth of ...

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 ...

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