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compound lens |
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compound lens [′käm‚pau̇nd ′lenz] (optics) A combination of two or more lenses in which the second surface of one lens has the same radius as the first surface of the following lens, and the two lenses are cemented together. Also known as cemented lens. Any optical system consisting of more than one element, even when they are not in contact. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| This unusual configuration is caused by three galaxies acting as a compound lens, strung out along the line of sight between the distant galaxy and Earth. |
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