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Use "loupes" in a sentence
"Many also wear magnifying loupes that allow them to give patients more personal space."
"I've used cheap jeweler's loupes held with velcro on regular point and shoot cameras, and a regular (plastic) magnafying glass in a cardboard tube for my superzoom."
"They're just clearing out the last of the photo loupes and film dryers from old darkrooms and still printing out photo proofs for editors, whose children are e-mailing them jpegs from camp that took a fraction of the time to process."