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new achromat |
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new achromat [¦nü ′ak·rə‚mat] (optics) An achromatic lens in which the component lenses are made of glasses chosen from a relatively broad selection, among which refractive index and dispersive power may vary inversely, permitting better correction of optical errors. 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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