Fixed focus prismatic binoculars - has bending bar locating bending spindle and fixing clamps

摘要

Prismatic binoculars have a V-bearing in the bending bar arrangement (3,4) to locate the bending spindle (5). Clamping elements are provided to hold the two halves of the binoculars and the bending spindle together. Pref. the clamping elements are secured by caps (12,13). The binoculars are pref. of the fixed-focus type and the exit pupils are pref. at least 17mm from the last lens vertex. The binocular casing pref. has a sprayed-on reinforcement.