{TAIL ~ The optical lens} 30 includes a beam splitter arranged between the imaging device 20 and {HEAD ~ the first imaging lens} 40 that the image beam C from the imaging device 20 may emit through the optical lens 30 
{ TAIL ~ The optical lens } 30 includes a beam splitter arranged between the imaging device 20 and { HEAD ~ the first imaging lens } 40 that the image beam C from the imaging device 20 may emit through the optical lens 30
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH