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