This is a high quality M42 Lens to Nikon D700 D300 D80 D90 D60 D50 Adapter. 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， never used<br>M42 to all Nikon AF mount adapter ring<br>Make M42 mount lenses (Zeiss， Pentax， Praktica， Mamiya， Zenit) 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>Made of metal (not plastic)<br>Color: Silver<br>                                                                                                Package Includes            1 x M42 Lens to Nikon D700 D300 D80 D90 D60 D50 Adapter<br>                                                            Extra Info            Compatibility: Nikon DSLR and Film SLR (as long as the body takes Nikon AF lens)<br>