Compatible with the following KOWA models:
- 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 Scope-Series (=15-45x Zoom)
- High Lander Eyepiece TSE-9WH (50x WA with Original Eye-Cup)