Eye cup (660-0281A)

The spare part eye cup (660-0281A) is compatible with: Eyepiece 20-60x S (serial number starting with: V...), Eyepiece 25-50x W (serial number starting with: V...). 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.