FocusBug Cine RT Kit


The Cine RT System is a complete ultrasonic measuring ecosystem that re-imagines camera mounted rangefinder systems and uses cutting-edge computing solutions to provide camera assistants with innovative user modes and functions.


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The CINE RT SYSTEM re-imagines camera mounted rangefinder systems and uses cutting-edge computing solutions to provide camera assistants with innovative user modes and functions. Precision clocking and high sampling rates ensure continuous accurate measurements, while proprietary algorithms offer an exceptional balance of sensitivity and stability. Relentlessly tested by working focus pullers, the CINE RT SYSTEM has been honed to deliver optimal utility and functionality in the field. The CINE RT SYSTEM is a complete ultrasonic measuring ecosystem, designed and hand built in Vancouver, Canada by industry professionals who understand the demands of camera assisting in contemporary motion picture and television production.

The CINE RT SYSTEM PACKAGE is comprised of four main components housed in CNC machined aluminum, Delrin and ABS with industry standard connectors, spherical actuator buttons and low profile mounting hardware. All components communicate on user selectable 2.4 GHz low power RF bands for exceptional range of up to 800’ (240m) line of sight, while proprietary protocol settings allow several CINE RT systems to work in close proximity while avoiding crosstalk.

Ultrasonic Base Sensor

The low profile ULTRASONIC BASE SENSOR operates as both a rangefinder and receiver for tracking CINE RT BUG Ultrasonic Transmitters while sending constant distance information to the CINE RT Handset, CINE RT High-Bright LED DIsplay(s), Preston HU3 and Arri WCU-4 Handsets. The BASE mounts easily on the camera via several mounting block options, which enable a variety of industry standard brackets to be used. With it’s control systems, sensor array, RF systems and targeting laser combined into one compact unit, the BASE is designed to minimize camera build weight and clutter.

LED Display

The compact HIGH-BRIGHT LED DISPLAY relays distance data with 0.55" (14mm) ultra-bright LED characters. Five levels of brightness ensures exceptional visibility in all lighting conditions. Remotely chain several HIGH-BRIGHT displays to offer multiple readouts of the same source or use two HIGH-BRIGHTS to track two different targets simultaneously while in DUAL VIEW.

Handset Control Unit

The HANDSET CONTROL UNIT is a touchscreen hub to access LIVE VIEW display modes, operational tools and user settings. The HANDSET allows all adjustments to be made remotely without needing to be hands-on with the camera. The HANDSET also doubles as a discrete tape measure allowing up to eight marks to be quickly collected, stored and edited without pulling a tape or sighting a laser. Select the FOCUS WHISPER or MARKS VIEW to hear or see your marks in relation to your target's movements in real time.

Ultrasonic Bug Transmitter

The miniature ULTRASONIC BUG TRANSMITTER is milled from rugged lightweight ABS, measures 1.6" x 1.6" x 0.4" (4 x 4 x 1 cm) and weighs less than 0.7oz (20g). The BUG can be easily hidden and will transmit ultrasound through most fabrics with no RF emissions. Place them on your assistants, stand-ins or principal actors for fast continuous distance information. Track up to four BUG sources to distances of 120' (36.5m) line of sight from the BASE.