The Preston Cinema Systems Hand Unit 3 (HU3) is a 3-channel, handheld wireless lens control system renowned as an industry-standard for cinematography, designed for robust, precise control of focus, iris, and zoom.
Key Features & Description
    •    Wireless Performance: Features a 300m (nearly 1000') line-of-sight range utilizing 60 "Blue Dot" channels for superior interference rejection. 
    •    Lens Mapping: Maps focus distances to one of five pre-printed marking rings or a blank ring, reducing prep time. 
    •    Design & Durability: Known for being rugged with sealed, splashproof, and dustproof electronics using innovative ultrasonic iris slider technology. 
    •    Camera Control: Provides control of camera speed, shutter angle, and supports 3D operation.
    •    Power: Powered by widely available FM-50 Li-Ion batteries. 
    •    Ergonomics: Compatible with accessories like the low-profile handgrip for improved comfort and palm straps for security.