The 521 is a compact remote control that is built onto a small clamp for Sony and Canon Mini DVs, and Hi8 cameras. The 521 allows you to conrol the most commonly used features of your camera: power on/off, record/stop, focus in/out and zoom through the professional zoom wheel. The 521 can be used for a wide variety of applications. It can be mounted to a huge range of supports, such as pipes, bars, tubes, and flat surfaces. CLAMP RANGE: Square tube or flat surfaces: 5mm (0.19 ) - 30mm (1.18 ) height Round tube/pipe/bar: 12mm (0.47 ) - 35mm (1.38 ) diameter Rectangular tube of flat surfaces: 5mm (0.19 ) - 30mm (1.18 ) height
From the Manufacturer
Built onto a small clamp that suits a wide range of applications, the 521PRO is the top of the range of these compact remote controls. It uses the LANC protocol adopted by Sony and Canon for Mini DV, HDV, and Hi8 cameras. The 521PRO controls the following functions: power on/off, zoom speed button, rec/stop, push autofocus, wheel zoom, and focus in/out. Supplied with 522SCA connector coiled cord cable measuring 10 inches (extendable to 20 inches) long.