 "Manfrotto 502HD Pro Video Head w/ Flat Base MVH502AH" " Manfrotto MVH502AH For sale! - EuroOptic.com
"This Manfrotto 502HD Pro Video Head with Flat Base has a 3/8-16" Connection and is designed for use with HDSLR cameras." 
 "Manfrotto MVH502AH Pro Video Head Flat Base Size M"
 with sturdier construction and featuring Manfrotto's patented bridging technology (inherited from the 509HD 504HD heads). This head is designed for executing cinematic moves compact camcorders DSLR video cameras. The 502HD comes in two versions -- "AH" flat-base version but also protected against knocks. There are of course independent locks pan tilt "The Manfrotto Pro Video Head Flat Base (3/8"-16 Connection) an affordable yet remarkably full-featured professional that represents advance over popular 501HDV which separately available.<br /> <br Weight capacity 12.2 lb counterbalance supports 8.8 lb. It can support 13 as a static weight. balance plate's 3.27" range allows you to correct uneven payloads might be due matte boxes or exotic rig configurations.<br ensures friction control intuitive easy set smooth manner using included bar.<br <ul> <li>Pan drag continuously adjustable 0 (no drag) maximum level</li> <li>Sliding quick-release place secured by secondary safety system</li> </ul>" this one both selectable continuous zero max level. operate confident "A" ball-base