Many people that shoot a ton of video don't realize that the OSS (optical steady shot) that is built into over 14 of their full-frame lenses assists even the best bodies with IBIS (in body image stabilization). Using OSS lenses with IBIS bodies creates an addative result which makes getting really sharp and crisp results for both stills and video. On those occasions where a gimbal is not used, it can make the difference of making the shot work, even without external steady aids like gimbals, tripods, and monopods.