imple but capable single channel remote focus system • Automatic end stop and torque calibration, plus manual calibration option • Full size 355 degree fluid drag focus knob, with conical ring. • Very high resolution sensor. • Secure 2.4ghz transmission with 12 selectable channels, line of sight range, about 100M • Intelligent automatic unit pairing prevents a second unit on the same channel adversely affecting the operation of the first unit. • Incredibly fast and responsive, with no visible latency. • Unparalleled motor speed and response with our new Reflex A Focus motor • User definable soft stops on the hand unit to limit the range of the lens • Hand unit runs on Canon LP-E6 lithium ion battery, about four shoot days can be expected from each charge. • Two way data flow between receiver and hand unit • Full digital 16bit transmission • Very simple and robust system with very compact receiver unit.