inverting lens

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• Fisheye lens — In photography, a fisheye lens is a wide angle lens that takes in an extremely wide, hemispherical image. Originally developed for use in meteorology [Hill, R. 1924. A lens for whole sky photographs. Quarterly Journal of the Royal Meteorological… …   Wikipedia

• Suture — The word suture has several uses in medicine, including: {{}}Cranial suture A type of joint between the bones of the skull where the bones are held tightly together by fibrous tissue. A surgical suture Thread like material used to sew tissue… …   Medical dictionary

• photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …   Universalium

• Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… …   Wikipedia

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• Anton Maria Schyrleus of Rheita — Anton (or Antonius) Maria Schyrleus (also Schyrl, Schyrle) of Rheita (1597 1660) (cs icon Antonín Maria Šírek z Reity) was an astronomer and optician. He developed several inverting and erecting eyepieces, and was the maker of Kepler’s telescope …   Wikipedia

• Photostat® —    A commercial reproduction in which a negative copy, white writing on a black background, is made directly on photosensitive paper. The process employs a special camera equipped with a lens and inverting prism. The inverting prism causes the… …   Forensic science glossary

• Camera obscura — This article is about an optical device. For other uses, see Camera obscura (disambiguation) …   Wikipedia

• Achromatic telescope — Telescope Tel e*scope, n. [Gr. ? viewing afar, farseeing; ? far, far off + ? a watcher, akin to ? to view: cf. F. t[ e]lescope. See {Telegraph}, and { scope}.] An optical instrument used in viewing distant objects, as the heavenly bodies. [1913… …   The Collaborative International Dictionary of English

• Aplanatic telescope — Telescope Tel e*scope, n. [Gr. ? viewing afar, farseeing; ? far, far off + ? a watcher, akin to ? to view: cf. F. t[ e]lescope. See {Telegraph}, and { scope}.] An optical instrument used in viewing distant objects, as the heavenly bodies. [1913… …   The Collaborative International Dictionary of English

• Astronomical telescope — Telescope Tel e*scope, n. [Gr. ? viewing afar, farseeing; ? far, far off + ? a watcher, akin to ? to view: cf. F. t[ e]lescope. See {Telegraph}, and { scope}.] An optical instrument used in viewing distant objects, as the heavenly bodies. [1913… …   The Collaborative International Dictionary of English