Lens2scope , 7mm wide angle, for Nikon F lenses, black, angled eyepiece
Nikon Lens Scope Converter - Accessories at KEH Camera at KEH Camera
Amazon.com : SVBONY Telescope Photo Adapter, T Adapter and T2 T Ring Adapter 1.25 inch Telescope Accessory Compatible for Nikon Camera and Telescope : Electronics
Used Nikon Lens Scope Converter in 'Mint-' condition
How to convert your Nikon lens into a telescope or a microscope (Nikon lens scope converter) - Nikon Rumors
Nikon Lens Scope Converter #649 | eBay
How to convert your Nikon lens into a telescope or a microscope (Nikon lens scope converter) - Nikon Rumors