The benro bv4h is a lightweight video head with professional stepped controls ideal for camera setups up to 88 lb the bv4h is equipped with operator side controls which are located on the left side of the head making it easy to adjust while operating the camera the 6 step counterbalance steps 0 5 allows you to dial in the right amount of counterbalance for each setup which helps when changing lenses or adding accessories the 4 step pan tilt drag controls offer a more professional