Kowa Interchangeable Eyepieces for Kowa 66mm / 60mm / 82SV Spotting Scopes - 20-60x Zoom Eyepiece. Compatible models include the TSN 600 Kowa 60mm Spotting Scopes and the TSN 660 Kowa 66mm Spotting Scopes and Kowa 82mm TSN 82SV Scopes - any of these...