Camera cover (4,3)
I believe the answer is:
lens cap
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">camera cover</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lens cap that I've seen before include "Aperture protector" , "protection for photographer" , "Camera cover" .)