Kowa TP-88EC Prism Unit for TP-556 Telephoto Lens

The Kowa TP-88EC Prism Unit is an adapter for easily converting your TP-556 500mm Telephoto Lens into a spotting scope. Using a TSN-880/770 series spotting scope eyepiece, the Prism Unit will turn the lens into a full-functioning medium/long-range spotting scope. The Prism Unit may also be used with the TSN-EC3 eyepiece converter to utilize eyepieces for the TSN-660/600 series spotting scopes.