Ever since Canon and Nikon debuted their latest lens mounts, there’s been a lot of talk about the “optical advantages” of the shallower, wider Z and RF-mounts. Canon even released a video more-or-less shaming their own EF lenses by comparison. But does this translate into meaningful real-world results? Photographer Matt Granger recently set out to answer this question by comparing the tried and true Canon EF 85mm f/1.2L II on the Canon 5D Mark IV DSLR against the brand new…