The SmallRig 4302 AB Hard Stops Kit is designed for the automatic lens calibration of DSLR and mirrorless camera lenses with MagicFIZ Wireless Follow Focus System (ID: 3781, 3782); The AB stops are exquisitely compact and can be freely positioned for mounting on the seamless focus gear rings (3291,3292,3293,3294,3295,3296) via a reverse clasp, or easily removed.
Note: When installing the AB stops, please press the hook under the seamless focus fear ring in place.
