In the optical beam pointing system configured as described above, {TAIL ~ the projection angle} of {HEAD ~ each visible light beam} is always automatically corrected while the visible light beam is being projected 
In the optical beam pointing system configured as described above , { TAIL ~ the projection angle } of { HEAD ~ each visible light beam } is always automatically corrected while the visible light beam is being projected
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH