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Bartech

BarTech Focus Device (BFD) Overview

The BarTech Focus Device, or “BFD”, was created in 1999 to fill the need for a powerful, accurate wireless follow focus system that was affordable. It was designed to be as compatible as possible with existing systems (Seitz, WRC-4) and motors (Heden, CPC) to allow operators with existing systems to upgrade to superior performance with a minimum of expense.

Since its introduction over 1500 systems have been sold in 50+ countries around the world.

Transmitter Specifications:
Dimensions/Weight: approx. 7″ x 3″ x 1″/1 lbs.
Power Consumption: 30 mA @ 7 to 15 VDC (9 mA in low power mode)
RF Transmission: 902-928 MHZ Single frequency, part 15 FCC compliant
Resolution: 12-bits (4096 steps), all steps always used
Data Update Rate: 350+ transmissions/second
Transmission Delay: 3 milliseconds

Receiver/Amplifier Specifications Dimensions/Weight:: approx. 4″ by 3″ by 1″ / approx. 11 oz.
Power Consumption: 50 milliamps @ 11-17VDC (Motor off) up to 5 amps maximum when driving a motor
Power Output to Motor: 2 amps maximum @ 18 VDC (36 watts)

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