With the Mark II version, Olympus' new flagship comes with some big improvements despite remaining relatively compact. Between its impressive speed, autofocus system and video capabilities, almost every core specification has been bumped up a notch (or three). We sat down with Olympus' Eric Gensel to go through some of those changes in more detail, from continuous shooting (and what its mechanical shutter sounds like at 15 fps) to just how effective Olympus' image stabilization has become.