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The BH-25 Ball Head with Lever-Release Clamp from Really Right Stuff is an Arca-compatible, single action tripod head that represents the smallest and lightest ball head offering in the RRS line-up.
Despite the BH-25's small stature it's an impressively capable support, able to hold up to 8.8 lb, while standing just 2.6" tall and weighing a negligible 7.8 oz. The single action design of the head allows the user to unlock the 360° pan and the ball at the same time, facilitating completely free movement in any direction and locking in any position. The T-style lever lock assists the user when locking and unlocking the ball head by providing a large grip for maximum leverage. The T-style handle is also set on a spring loaded ratcheting joint, which allows the user to rotate the handle, freeing it of obstruction caused by large tripod baseplates.
On the technical side, the BH-25 features a few classic additions that make the head almost universally compatible and customizable. The bottom of the head features a standard 3/8"-16 mount for wide compatibility with most tripod legs, while the connecting stem features a standard 1/4"-20 thread that makes swapping quick release clamps as simple as possible. Also, to save weight, the 0.9" ball uses a hollow design, which maintains strength while adding to the BH-25's lightweight design.