A compound lens is composed of two thin lenses separated by 10 cm. The first of these

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A compound lens is composed of two thin lenses separated by 10 cm. The first of these has a focal length of +20 cm, and the second a focal length of -20 cm. Determine the focal length of the combination and locate the corresponding principal points. Draw a diagram of the system.

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Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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