The E-Image AT7903 air control pedestal is an ideal solution for professional studios and outdoor shooting. It provides perfectly dynamic balance and "on shot" movements which are used with the camcorders. An air pump system is supplied in the air control tripod for adjusting the operating height, the two-section central column can be extended and folded accurately and freely according to the object height. The tripod is suitable for various kinds of tripod heads which have the 100mm bowl size. For studio use and easy transportation, the lock-down dolly base is supplied with the tripod, it can be fixed well by the wheel locks.