The Slik 504 QF II Photo and Video Pan Head incorporates an easy-to-grip pan handle which delivers an independent 2-way pan and tilt motion. The long pan handle provides excellent leverage for smooth horizontal or vertical panning, while a side hinge allows you to tilt the camera incrementally up to 90 degrees to facilitate shooting in portrait orientation. A bubble level built into the base of the head allows you to quickly determine if your setupis horizontal and level. The Slik 504 QF II Photo and Video Pan Head also includes a Slik 6027 quick release plate for fast mounting and un-mounting of the camera.