A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent material, while a compound lens consists of …

The meaning of LENS is a piece of transparent material (such as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used either singly or …

Aug 15, 2025 · A lens is a transparent, optical device that stays on the laws of refraction and is used for multipurpose in physics and engineering. Being made up of plastic or glass they are also slightly …

Mar 27, 2025 · An easy-to-follow explanation of how lenses bend light, including the two main types of lenses: concave and convex.

What is a Lens? A lens is an optical component made from a transparent material that has at least one curved surface. Its primary function is to refract (redirect) transmitted light rays, either converging …

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.

lens noun [C] (EYE) a curved, transparent part of the eye that helps you to see clearly by directing images of light onto the retina (= the back surface of the eye)

Definition of lens noun from the Oxford Advanced Learner's Dictionary. a curved piece of glass or plastic that makes things look larger, smaller or clearer when you look through it. a piece of equipment that …

Dec 5, 2019 · What Is a Lens? A lens is a piece of transparent material that is shaped so as to cause light rays to bend in a specific way as they pass through it, whether that means making the rays …

Learn about the lens in physics and understand its uses. Explore lens refraction, compare diverging and converging lens, and see concave and convex lens examples. What is a Lens? A lens...