Camera component (4)
I believe the answer is:
lens
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">camera component</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lens that I've seen before include "Focusing glass" , "Through which to view" , "Refracting device" , "Dark cloud; shining light" , "Optical refractor" .)