ASL Sign Language Dictionary

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How to sign: a transparent optical device used to converge or diverge transmitted light and to form images

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Similiar / Same: lense, lens system

Categories: optical device

Within this category: anastigmat, anastigmatic lens, camera lens, compound lens, condenser, contact, converging lens, crown lens, diverging lens, eyepiece, field lens, Fresnel lens, intraocular lens, monocle, objective

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