Full Metal Telescope Camera Adapter T-ring + 1.25" Telescope Mount Adapter + Extension Tube For Nikon Dslr / Canon Eos Dslr - Telescope - AliExpress
Novagrade DSLR Digiscoping Adapter - YouTube
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
Amazon.com : 2inch Telescope Camera Adapter for Nikon SLR Camera -Large Clear Aperture - with 2” Filter Threads : Electronics
Scope Cam Adapter Kit - Camera and Smartphone Adapter for Rifle Scopes – Fotodiox, Inc. USA
T-Ring for Nikon Camera – Telescope Shop
Kenko Lens2scope Adapter for Nikon F Mount K-LS10-NFAB B&H Photo
Amazon.com : Solomark T T2-Ring for Nikon DSLR SLR Camera Lens Adapter with 1.25 Inch Telescope Mount Adapter : Electronics