Libec ZFC-L Zoom and Focus Control for Lanc Video Cameras OCP6_L4WYH83

It connects to the camcorder via a 2.3 long cable terminated with a 2.5mm sub mini plug. The zoom speed can be adjusted by tilting the rocker. Its inverted switch allows you to control the zoom direction. The control unit features a clamp that easily mounts onto pipes up to 1.8 in diameter.