Nikon T Ring
The Nikon T ring simply replaces the lens on your Nikon camera allowing you to connect a T adaptor then image directly through your Telescope.
The Nikon T ring fits 99% of Nikon DSLR cameras including the following:
D2 D3 D30 D40 D50 D60 D70 D80 D200 D300 D610 D750 D810 D810A D3200 D3300 D5200 D5300 D5500 D7000 D7100 D7200
Simply choose your desired T Adaptor:
This is all you need to connect your camera to your Telescopes focuser.