lens

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♦ lens /l'enz/ (lenses)
1 [N-COUNT]
A lens is a thin curved piece of glass or plastic used in things such as cameras, telescopes, and pairs of glasses. You look through a lens in order to make things look larger, smaller, or clearer.
...a camera lens...
I packed your sunglasses with the green lenses.
2 [N-COUNT] usu sing
In your eye, the lens is the part behind the pupil that focuses light and helps you to see clearly.
3
see also contact lens, telephoto lens, zoom lens, zoom lenscon|tact lens (contact lenses)
[N-COUNT] usu pl
Contact lenses are small plastic lenses that you put on the surface of your eyes to help you see better, instead of wearing glasses.tele|photo lens /t'elɪfoʊtoʊ l'enz/ (telephoto lenses)
[N-COUNT]
A telephoto lens is a powerful camera lens which allows you to take close-up pictures of something that is far away.wide-angle lens (wide-angle lenses)
[N-COUNT]
A wide-angle lens is a lens which allows you to photograph a wider view than a normal lens.zoom lens (zoom lenses)
[N-COUNT]
A zoom lens is a lens that you can attach to a camera, which allows you to make the details larger or smaller while always keeping the picture clear.

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