The Manfrotto 502HD Pro Video Head with Flat Base 38-16 Connection is an affordable yet remarkably full-featured professional head that represents an advance over the popular 501HDV with sturdier construction & featuring Manfrottos patented bridging technology inherited from the 509HD & 504HD heads. This head is designed for executing cinematic moves with compact camcorders & DSLR video cameras. The 502HD comes in two versions -- the AH flat-base version which this one is & the A ball-base version which is separately available. Weight capacity is 12. 2 lb & counterbalance supports 8. 8 lb. It can support 13 lb as a static weight. The balance plates 3. 27 range means that you can correct for uneven payloads that might be due to matte boxes or exotic DSLR rig configurations. The bridging technology ensures that the pan friction control is intuitive & easy to set but also protected against knocks. There are of course independent locks for pan & tilt & drag for both is selectable in a continuous range from zero to the max level. This means that you can opera