Eye cup (639-0333AD)

The spare part eye cup (639-0333AD) is compatible with: Pocket 8x20 B Gen. II (serial number: E732796171 and higher) Pocket 10x25 B Gen. II (serial number: E732796171 and higher) Pocket Crystal 8x20 (serial number: E77... - E81...) Pocket Tyrol (serial number: E81... and higher) Please note: this article can be ordered by piece. Should you need a set of two, please order a quantity of two eye cups. Manual for exchanging the eye cup: Removal - You only need to twist out & unscrew the old eye cup (counter-clockwise) by grasping the metal ring. Installation - when threading in replacement eye cup(s), turn them (clockwise) until they are fully tightened and flush with the binocular. Once they are flush, give them a final snug twist to fully seat and retain the eye cup.