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Nasmyth focus |
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Nasmyth focus [′nā‚smith ‚fō·kəs] (astronomy) One of two locations in a telescope with an altitude-azimuth mounting, located on the horizontal axis on either side of the telescope structure, to which light can be reflected to come to a focus; at such a focus there is usually an observing platform to carry instrumentation. 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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