Two sealed hydraulic units allow control in seven steps, from smooth free-running to the heaviest control required, with three simple on / off levers. Pan and tilt actions continue 360 °, depending on lens and camera length. Fluid 7 can be supplied in a variety of platform widths, with quick-change spacers and lifting plates as shown. The platform is height adjustable according to the center of gravity of the camera used. Second platform pivot bar with ratchet mechanism, height adjustable.