Общая Астрономическая Конференция > Все про астрономическое оборудование > Астрономическое оборудование > Коллимация бинокуляра . ... Align the three dots marked on the eyepiece, focusing ring and prism housing in red for the right side of the binocular telescope and in green for the left side. ... If it is not possible to level it with the image of the left eyepieces by rotating the right eyepieces, try to do the same adjustment as the above by rotating the left eyepiece. ...