Its been five years since Canon first introduced its universally lauded 7D camera, which continues to be among the best choices for professionally minded photographers and videographers alike. Time waits for no DSLR, however, and now the first image of a purported 7D Mark II has emerged out of Japan alongside a set of specs. At the heart of the camera is an upgraded 20-megapixel CMOS sensor, which is combined with a new 65-point autofocus system and dual DIGIC 6 image processors. …