Some manufacturers sell a spotting scope's body and eyepiece separately, allowing for the choice of zoom magnification or fixed power. A 15-45x or 20-60x zoom eyepiece is generally the first choice for customers. Some choose a fixed power eyepiece for its wider field of view. Both Leica spotting scopes and Swarovski spotting scopes have wide angle zoom eyepieces available.
This converter allows you to use the discontinued Kowa TSN 820M eyepieces with the TSN 770 and TSN 880 spotting scope bodies.
This converter allows you to use Kowa TSN-600 and TSN-660 eyepieces with any Kowa TSN-770 or TSN-880 spotting scope.
This converter allows you to use the current Kowa TSN 660/600/82SV eyepieces with the older TSN-820 series spotting scope bodies.
