BINOCULAR ATTACHMENT Russian patent published in 2003 - IPC

FIELD: optics. SUBSTANCE: binocular attachment has two cases rotating around common axis on which rotary eyepiece tubes are mounted. At least one eyepiece tube has mechanism for compensation for angle of turn coming in the form of parallel link mechanism that includes curvilinear tie-rod connected to bushing put of eyepiece tube and to movable bearing anchored on common axis. One axle of curvilinear tie-rod is manufactured in the form of eccentric and is placed on movable bearing. EFFECT: increased compensation accuracy for angle of turn, reduced dimensions and simplified design of binocular attachment. 5 dwg