When the upper housing is erected, the reflex mirror is simultaneously pivoted about an axis which is neither perpendicular to or parallel with the optical axis of {TAIL ~ the lens} so as to dispose the mirror in an erected position permitting {HEAD ~ the camera} to assume a low profile in the fully erected operable position 
When the upper housing is erected , the reflex mirror is simultaneously pivoted about an axis which is neither perpendicular to or parallel with the optical axis of { TAIL ~ the lens } so as to dispose the mirror in an erected position permitting { HEAD ~ the camera } to assume a low profile in the fully erected operable position
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