stigmatic lens

stigmatic lens
anastigmatic l.

Medical dictionary. 2011.

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  • Stigmatic lens — Stigmatic lens, photogr. Objektiv, s. Anastigmat …   Kleines Konversations-Lexikon

  • anastigmatic lens — a lens with spherical surfaces only and no cylindrical ones; called also stigmatic l …   Medical dictionary

  • Anastigmat — Anastigmāt, ein 1891 von Rudolph erfundenes und von Zeiß in Jena ausgeführtes, lichtstarkes, photogr. Objektiv, welches Bilder liefert, die bis zum Rande große Schärfe und Korrektheit zeigen; es ist frei von Astigmatismus (s.d.). Ähnliche… …   Kleines Konversations-Lexikon

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  • stigmatism — noun 1. the condition of having or being marked by stigmata • Derivationally related forms: ↑stigmatic, ↑stigmatist • Hypernyms: ↑condition 2. (optics) condition of an optical system (as a lens) in which light rays from a single point converge in …   Useful english dictionary

  • stigmatism — /stig meuh tiz euhm/, n. 1. Optics. the property of a lens that is stigmatic. 2. Pathol. a condition in which stigmata are present. [1655 65; stigmat (see STIGMATIC) + ISM] * * * …   Universalium

  • anastigmatic — /an euh stig mat ik, a nas tig /, adj. Optics. (of a lens) not having astigmatism; forming point images of a point object located off the axis of the lens; stigmatic. [1885 90; AN 1 + ASTIGMATIC] * * * …   Universalium

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