Lens (optics) Summary

Everything you need to understand or teach Lens (optics).

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1 Encyclopedia Article

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Lenses

1,096 words, approx. 4 pages

Lenses A lens is a piece of transparent material shaped such that it bends parallel rays of light. The shape of a lens is a segment of a sphere, plane, or a cone (parabola, hyperbola, or ellipse). The... Read more

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