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optical coating |
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optical coating [′äp·tə·kəl ′kōd·iŋ] (optics) Either a mirror coating, or a film of the proper thickness and refractive index applied to the air-glass surface of a lens to reduce reflection. 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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| Binoculars, like camera lenses have optical coatings on the surfaces of the lenses and prisms to reduce internal reflections and improve overall focus sharpness. If new optical coatings can reduce the distortions, GOES-NEXT might be delayed by only two to four months, he says. PENTAX applies multi-layer optical coatings to all lenses and prisms to boost the amount of transmitted light, and each model features silver-deposited roof prisms with high light-reflection ratios. |
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