{TAIL ~ A surface illuminator} 1, wherein a switch is provided in {HEAD ~ series} with the color irregularity correcting resistor 
{ TAIL ~ A surface illuminator } 1 , wherein a switch is provided in { HEAD ~ series } with the color irregularity correcting resistor
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH