Lens2scope , 7mm wide angle, for Nikon F lenses, black, angled eyepiece
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
Camera Crib | Pre-owned Used Nikon Lens Scope Converter - £100 – Camera Crib | Film and Digital Camera Gems