This is a high quality Mount Adapter M42 Lens to Nikon Camera Infinity Focus. You can use this camera adapter ring in conjunction with the camera adapters to complete the connection to a digital camera supporting a filter thread.                                    Features            New and high quality<br>Make M42 mount lenses can be used on Nikon cameras<br>There is no ROM connection on the ring so diaphragm control of the lens is set manually<br>It is possible to use Macro rings and other accessories<br>It is able to focus infinity<br>Auto focus (AF) is not available. You can shoot with manual mode<br>Equipped with lock & stop pin<br>Material: Brass<br>Color: Black<br>                                                                                                Package Includes            1 x Mount Adapter M42 Lens to Nikon Camera Infinity Focus<br>                                                            Extra Info            Compatibility: All 42mm screw mount lens<br>