Earlier today, Canon revealed their latest Cinema EOS camera: the full-frame EOS C500 Mark II. The camera may not be of much interest to photographers, but its 5.9K full-frame sensor with dual-pixel AF, user-swappable mounts, 5-axis electronic stabilization, and dual CFExpress slots might give us a glimpse at some of what’s possible in future EOS R cameras. The C500 Mark II marks the first time Canon has put a full-frame sensor into the more “classic” Cinema EOS style body, packing…