Because of this, {HEAD ~ illumination times} of the primary light source 72 and {TAIL ~ the secondary light source} 82 can be changed as required, whereby the light source unit 63 can be provided as light source unit which has a variety of modes of different degrees of brightness 
of
Because of this , { HEAD ~ illumination times } of the primary light source 72 and { TAIL ~ the secondary light source } 82 can be changed as required , whereby the light source unit 63 can be provided as light source unit which has a variety of modes of different degrees of brightness
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL 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 OTH OTH OTH OTH OTH OTH