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Similar Words: lens, lens system

 

Hyponyms: anastigmat, anastigmatic lens, camera lens, optical lens, compound lens, condenser, optical condenser, contact, contact lens, converging lens, convex lens, crown lens, diverging lens, concave lens, eyepiece, ocular, field lens, Fresnel lens, intraocular lens, monocle, eyeglass, objective, object glass

 

Part Meronyms: optical instrument