VITE T-adapter 23.2MM and T2 T-ring Adapter for Canon EOS Cameras Full Metal(Black) Designed for SLR/DSLR camera digiscoping: Connect camera to telescope for direct (Prime focus) photography convenient and easily Super easy to use: Thread T-adapter into T-ring adapter,then thread the whole mount adapter into Canon EOS Cameras to connect to telescope Universal T-adapter fits all standard 23.2mm diameter telescope/microscope etc,accepts filters (thread inside tube);T-ring adapter only for Canon EOS BEST QUALITY METAL MATERIALS AND WELL MADE: One time purchase for long-term use LIFETIME WARRANTY: WE CONFIDENTLY PROMISE LIFETIME WARRANTY FOR EACH ONE FROM VITE