The line passing through the optical center of the eye piece and the optical center of the object glass and its continuation is called
A. Trunnion axis of the telescope
B. Optical axis of the telescope
C. The line of collimation
D. Stadia line
Answer:C
The line passing through the optical center of the eye piece and the optical center of the object glass and its continuation is called
A. Trunnion axis of the telescope B. Optical axis of the telescope C. The line of collimation D. Stadia line