Providing absolute stability, the Novoflex CASTEL-XL is the focusing rack of choice for heavy professional cameras. Adjustable on two levels, it achieves a total travel of 15 inches, although its basic length is only 10.1 inches. Suitable for all tripod and tilt heads. The CASTEL-L has an integral camera quick-release connection (using the Novoflex MiniConnect system) that allows quick mounting and dismantling of the camera equipment. Camera coupling piece (1/4”) included The focusing rack is constructed to be maintenance free, no special care is required. Make sure not to oil the rails as this will attract dust and dirt that will clog the gear teeth.