The Sirui Gimbal Head PH-2 is a specialized head for heavy telephoto lenses.
The Sirui PH-20 Gimbal Head is made by utilizes high strength, low weight carbon fiber for the curved arm and forged aircraft aluminum for the L-platform. It allows you to rotate your lens around its center of gravity and thus easily manipulate very large lenses. What's more, it's faster and more stable than the traditional ball head, realized the function of using the lens from all different side and that's completelt adjustable. The lens is set flat when using PH-20. PH-20 is compatible with international-style quick release system.