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Is the Canon RF28-70mm F2.8 is STM a good budget friendly equivalent (or close equivalent) to the Canon RF24-70mm F2.8 L is USM Lens?

I just bought a canon R10 camera (upgrade from my old Canon SL1). I have an older Canon EF 24-70mm f/2.8 lens. I have seen that there is an adapter that may allow me to use it with my new R10. I would love to get the canon RF28-70mm F2, but I simply ...