Vanguard's top-of-the-line BBH Series ball head delivers in all of the key areas: accuracy, precision, convenience and ease of use. No matter the cameras position, its Rapid Level System enables you to guide the camera to be perfectly level with the base, quickly and efficiently. When the level position is attained, BBH holds your camera in place. This, coupled with use of its two bubble levels to ensure the tripods balance, enables perfectly accurate 360-degree panoramic photography and videography. This magnesium ball head has a unique open body design that helps maintain a lighter weight. The ball also boasts a scratch-free, oxidized surface for ultra smooth moment. BBH can be positioned at accurate 90-degree angles in one second.