DJI RS 3D Focus SystemThe DJI Ronin 3D Focus System automatically detects the distance between the lens and subject and enables a center AF point for manual focus lenses for a continuously focused shot. Requires the DJI Ronin Focus Motor to function. The max detection range of the DJI Ronin 3D Focus System may vary according to the subjects reflectivity. When filming a person, the max range is approximately six meters. Package Includes: 1x 3D Focus System 1x 1 4'' 20 to