Magazine article American Cinematographer

Manfrotto Hydrostatic Video Arms

Magazine article American Cinematographer

Manfrotto Hydrostatic Video Arms

Article excerpt

Also available from Bogen, Manfrotto has applied its hydrostatic locking technology to its line of video arms, offering the new Hydrostatic Arms in three lengths to accommodate a wide range of shooting situations.

These new lightweight arms feature a revolutionary locking system that produces a firm lock with minimal effort. Incorporating a technically advanced ball-locking mechanism, the hydrostatic action is based on the hydraulic principle that a force applied to one point is transmitted to another point. Gently turning the knob of the hydrostatic system compresses the oil in the filled chamber, and the liquid then blocks the movement of the ball. Because the force exerted by the liquid is more constant and evenly distributed than that of standard mechanisms, the locking power is dramatically improved over other technologies. With just a slight turn of the wrist, the arm securely locks in the desired position to firmly hold any camera, monitor, or accessory.

For shorter-length applications, Manfrotto provides the 814 arm, which measures 5. …

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