TSN-AR66Z Adapter ring compatible with: TSE-Z9B 20-60x Zoom for TSN-660/600/82SV TSE-9WD 45x WW for TSN-660/600/82SV, TSE-7Z 20-60x Zoom for TSN-820/820M TSN-553/554 spotting scope series (=15-45x), High Lander eyepiece TSE-9WH (50x WA with original eyecup)