a lens and shutter assembly fixedly supported in said second housing, {HEAD ~ said lens} having {TAIL ~ an optical axis} substantially parallel with said first axis; and 
having
a lens and shutter assembly fixedly supported in said second housing , { HEAD ~ said lens } having { TAIL ~ an optical axis } substantially parallel with said first axis ; and
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 TAIL OTH OTH OTH OTH OTH OTH OTH OTH