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