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|Noun||1.||optical lens - a lens that focuses the image in a camera|
camera, photographic camera - equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
closeup lens - a photographic lens with a short focal length used to take pictures at short ranges
lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images
portrait lens - a compound camera lens with a relatively high aperture
television camera, tv camera, camera - television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam