The shutter 69 is located in a light passageway from the light bulb 61 to the projection lens 68, preferably in {HEAD ~ the vicinity} of {TAIL ~ a focus} of the projection lens 68 
of
The shutter 69 is located in a light passageway from the light bulb 61 to the projection lens 68 , preferably in { HEAD ~ the vicinity } of { TAIL ~ a focus } of the projection lens 68
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH