Our 3rd generation T-Adapter-III. This next generation T-adapter-III has added rails for extra support. The 30mm offset is designed primarily for point and shoot cameras where the tripod mount is offset from the center barrel of the lens. There are a total of 5 adjustment points to make sure your camera mounts securely to your Nodal Ninja. Features include adjustable rail guides to prevent camera from twisting and scale stop to remember offset position. Hex key included to set initial mount and extra screws and guides also included. Fits NN3, NN4 & NN5 series pano heads. Includes hex key and misc extra parts.