The APO-Televid Aspherical eyepiece boasts optical superiority and durability with its wide angle 60 degree field of view, fully multi-coated lens system, rapid interchange bayonet attachment method, rubberized function elements and twist out eye cup. The nitrogen filled eye piece is submergible to 17 ft. and is completely fog/shockproof. Notes Designed to fit the APO-Televid Spotting Scope Body (Sold Separately)

The Kowa TSN-EX16 increases the magnification of the current Kowa System S spotting scopes by 1.6x when combined with the original eye-piece.

Compatiable with the following current Kowa System S spotting scopes:

TSN-601/602 - TSN-663M/664M - TSN-82SV

Compatiable with the following historical spotting scopes:

TSN-603/604 - TSN-661/662/663/664 - TSN-1/2/3/4 - TS-601/602 - TS-611/612/613/614 - TSN-820/820M (requires TSN-EC1A adapter ring)