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radial astigmatism |
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radial astigmatism [′rād·ē·əl ə′stig·mə‚tiz·əm] (optics) Astigmatism which affects the imaging of points that lie off the axis of an optical system, due to oblique incidence of rays from these points. Also known as oblique astigmatism. 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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