Celestron M42 T--Ring for Nikon SLR/DSLR Cameras
Celestron T-Ring for 35mm Nikon SLR Cameras
This T-Ring is designed to work with a Nikon brand 35 mm camera.
A T-Ring couples your 35 mm camera body to a T-Adapter, Radial Guider or Tele-Extender. This accessory is required if you want to do any type of photography through a telescope or spotting scope.