Accsoon F-C01 Wireless Follow Focus System with FHSS Technology, A/B Stops, 350ft/100m Range, Snap-on Gear Belt for DSLRs and Mirrorless Cameras, Compatible.

["【Anti-Interference FHSS Technology】Accsoon F-C01 is equipped with FHSS* technology, which allows for modulating the frequency between the motor and the focus knob. This avoids interference from signals generated by other devices on set, providing the user with a reliable connection. FHSS allows for the use of multiple device pairs on set when shooting with multiple cameras.","【A/B Quick Focus Point Setting】Accsoon F-C01 features an A/B quick focus point that allows you to adjust the appropriate A/B focal length according to your shooting requirements, enabling quick and stable focusing and giving you more control over your camera and lens.","【Automatic and Manual Lens Calibration】Accsoon F-C01 needs to be calibrated before use. There are two calibration options available. For camera lenses with a mechanical limit, you can use the automatic calibration function; otherwise, use the manual calibration function. Certain operations are performed on the controller.","【0.01s Quick Response】The almost real-time response between the motor and controller, along with the high torque of 0.35 N-m, offers 1st ACs and focus pullers a smooth and reliable focusing experience.","【350ft/100m Control Range&Quality Assurance】The Accsoon F-C01 also boasts an impressive 350ft control range (100m), allowing the camera to be placed in tight situations and the crew to be in a comfortable position to wirelessly pull focus. Accsoon provides high-quality products and values customers' shopping experience. Worry-Free 12-month warranty, 12-hour friendly customer service."]