Concave lenses

• A concave lens is thinner at its center than at its edges, and is used to correct shortsightedness

• A concave lens is a lens that possesses at least one surface that curves inwards. It is a diverging lens, meaning that it spreads out light rays that have been refracted through it.

Convex Lenses

• A convex lens is also called a converging lens because it makes parallel light rays passing through it bend inward and meet (converge) at a spot just beyond the lens known as the focal point.

• A convex lens makes parallel light rays converge (come together) at the focal point or focus.

Thank you!

By Lucy Wu

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