Canon rf 28 70mm f 2l usm vs canon rf 28 70mm f 2 8 is stm?

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From Canon RF 28-70mm f/2.8 IS STM: Canon RF 28-70mm f/2.8 IS STM: A zoom lens by Canon for Full frame cameras, 28-70mm f/2.8. Specs - Maker: Canon - Focal length: 28-70mm (zoom) - 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, 28-70mm. - On APS-C (Canon) (Canon RF): like 45-112mm on full frame; f/2.8 gives about the depth of ...

From Canon RF 28-70mm f/2L USM: Canon RF 28-70mm f/2L USM: A zoom lens by Canon for Full frame cameras, 28-70mm f/2. A big, heavy zoom with the aperture of a fast prime. Specs - Maker: Canon - Focal length: 28-70mm (zoom) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Canon RF - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon RF): as marked, 28-70mm. - On APS-C (Canon) (Canon RF): ...

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