OCONNOR 2575C FLUID HEAD PKG

The technical specifications for the OConnor Ultimate 2575C cinema fluid head are detailed below: Payload & Tilt Performance Feature Specification Max Payload @ 4" (10.2 cm) CoG 133 lbs / 60.5 kg Max Payload @ 6" (15.2 cm) CoG 105 lbs / 47.7 kg Max Payload @ 8" (20.3 cm) CoG 87 lbs / 39.5 kg Minimum Payload 0 lbs (counterbalances down to zero) Tilt Range $\pm 90^\circ$ continuous tilt Pan Range $360^\circ$ continuous pan Physical & Mechanical Specs Fluid Head Weight: 22.9 lbs / 10.4 kg Dimensions (H × W × D): 8.4 in × 12.4 in × 8.6 in / 21.3 cm × 31.5 cm × 21.8 cm Base Mount Options: Standard Mitchell flat base (interchangeable with 150mm ball base option) Camera Platform Options: Euro Quick Release platform (120mm plate) or Sideload platform Pan Handles: Dual rosettes for pan arm mounting (30° bend handle + extension) Movement Controls & Features Counterbalance: Continuous sinusoidal counterbalance with a rear fold-out crank handle and numerical readout display (0–99%) Drag Adjustment: Stepless, infinitely variable fluid drag system for pan and tilt Brakes: Caliper brake locks for pan and tilt Leveling Indicator: Built-in illuminated spirit level Operating Temperature: $-40^\circ\text{F}$ to $+140^\circ\text{F}$ ($-40^\circ\text{C}$ to $+60^\circ\text{C}$) Key Differences: 2575C vs. 2575B vs. 2575D Upgrade from 2575B: The 2575C added dual platform scales, updated internal fluid drag module valving, and improved ergonomics. Transition to 2575D: The subsequent 2575D model shifted the platform locking controls entirely to the operator's side (left side) and introduced a one-touch finger-actuated safety release catch for the platform level.