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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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L
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Lens
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1992-09-03
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309b
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10 lines
A lens in optics, is a piece of a transparent
material, such as glass, with two polished
surfaces-one concave or convex, and the other
plane, concave, or convex-that modifies rays
of light. A convex lens brings rays of light
together, a concave lens makes the rays
diverge.
Subject by: Stuart Dicker