When {HEAD ~ the second housing} is pivoted toward {TAIL ~ its erected position}, about a generally longitudinally extending axis located in parallelism with the axis of the cameras objective lens, the mirror and lens assembly, which are mounted on a common support, move together therewith 
When { HEAD ~ the second housing } is pivoted toward { TAIL ~ its erected position } , about a generally longitudinally extending axis located in parallelism with the axis of the cameras objective lens , the mirror and lens assembly , which are mounted on a common support , move together therewith
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL 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 OTH OTH OTH OTH OTH