Honestly, I was in your exact shoes last year before a trip to Glacier. I was so worried about the R5 sensor showing every little flaw in my older EF ...

In my experience, ur gonna LOVE the Panasonic Lumix G 20mm f/1.7 II ASPH.! it has insane center sharpness. technically it hits that 40mm equivalent—pe...

I'm also using Panasonic Lumix 35-100mm f/2.8 II with my Olympus OM-D E-M10 Mark IV. Pretty satisfied.