There is provided a lighting fixture capable of efficiently radiating heat of {HEAD ~ a lamp device} attached to {TAIL ~ a socket device} 
There is provided a lighting fixture capable of efficiently radiating heat of { HEAD ~ a lamp device } attached to { TAIL ~ a socket device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL