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erecting prism |
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erecting prism [i′rek·tiŋ ‚priz·əm] (optics) A system of prisms that converts the inverted image formed by most types of astronomical telescopes into an erect image. Also known as inverting prism. 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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