The TR-N100 Tripod Mount is designed for use with the 1 NIKKOR VR 70-300 f/4.5-5.6 lens. When shooting with the 1 NIKKOR VR 70-300 f/4.5-5.6 lens, the TR-N100 can be used to attach the lens to a tripod instead of attaching the camera's body directly to the tripod.