DJI LiDAR Range Finder RS for DJI RS 3 Pro

The DJI LiDAR Range Finder (RS) is a purpose-built focusing accessory that mounts to the DJI RS 3 Pro or RS 4 Pro gimbal stabilizer. It uses a time-of-flight sensor capable of projecting 43,200 ranging points across a detection range of 0.5 to 14 meters, providing rapid and accurate distance data that the gimbal translates into precise lens focus commands. Unlike contrast-detect or phase-detect autofocus systems built into cameras, the LiDAR approach is independent of subject texture, color, or ambient light, making it exceptionally reliable in low-light shooting, against low-contrast backdrops, and in other scenarios that typically defeat conventional autofocus.

The unit also integrates a built-in camera with a 30mm-equivalent focal length and a 70-degree diagonal field of view, which feeds a live image to the gimbal's touchscreen for subject selection and tracking. At just 130 grams and 66×57×24 mm, the Range Finder adds negligible bulk to a rig. When paired with the separately available DJI Focus Motor (2022), it can even bring autofocus capability to fully manual cinema lenses after a straightforward calibration step—an especially valuable feature for filmmakers who prefer manual glass but want the convenience of motorized focus pulling during fast-paced handheld work.