Field glasses (10)
I believe the answer is:
binoculars
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">field glasses</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for binoculars that I've seen before include "They provide close-up" , "Field glasses" , "way to make distant flag seem close" .)