A field of {TAIL ~ view} of the image detecting module covers {HEAD ~ the third light guide component} and the fourth light guide component 
A field of { TAIL ~ view } of the image detecting module covers { HEAD ~ the third light guide component } and the fourth light guide component
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH