The light reflected from the object is received by the receiving optic module and guided through {HEAD ~ the receiving fiber optic} in the endoscope to a light detector of {TAIL ~ a control unit} 
The light reflected from the object is received by the receiving optic module and guided through { HEAD ~ the receiving fiber optic } in the endoscope to a light detector of { TAIL ~ a control unit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL