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It features OConnor's step-less, ultra-smooth pan & tilt fluid drag specifically designed to give you the ultimate control and stability for film style shooting. The 2575 has become the standard for 35mm film cameras and high end video cameras built up with accessories for film shoots. Featuring OConnor's patented sinusoidal counterbalance system for true, accurate balance at any point in the tilt range. Add to this OConnor's step-less, ultra-smooth pan & tilt fluid drag, and you've got the best of all possible combinations.