My R5 MK 2 works fine with my EF 16-35 f4 L and my EF 24-70 f2.8 L lenses, it also seems to work fine with my RF 28mm f2.8 STM lens.
A couple of months ago, I purchased a RF 24mm f1.8 STM and found that, randomly, at camera turn on, both the EVF and ...