Useful english dictionary. 2012.
Petzval lens — The Petzval lens was developed in 1840 by Joseph Petzval. It consisted of two doublet lenses with an aperture stop in between. The front lens is well corrected for spherical aberrations but introduces coma. The second doublet corrects for this… … Wikipedia
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
Joseph Petzval — ( de. Josef Maximilian Petzval; hu. Petzvál József Miksa; sk. Jozef Maximilián Petzval) (January 6, 1807 ndash; September 19, 1891) was a mathematician, inventor, and physicist best known for his work in optics. Petzval studied and later lectured … Wikipedia
List of lens designs — * Achromatic doublet * Apochromatic doublet * Biconcave lens * Biconvex lens * Convex concave lens * Celor lens * Chevalier lens * Cooke Triplet * Dialyt lens * Double Gauss lens * Doublet lens * Eyepiece * Field lens * Fisheye lens * Fresnel… … Wikipedia
Dialyte lens — A dialyte lens (sometimes called a dialyt[1]) is a compound lens design that corrects optical aberrations where the lens elements are widely air spaced.[2] The design is used to save on the amount of glass used for specific elements or where… … Wikipedia
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
Optical aberration — v · d · e Optical aberration … Wikipedia
Fotoobjektiv — Dieser Artikel oder Abschnitt bedarf einer Überarbeitung. Näheres ist auf der Diskussionsseite angegeben. Hilf mit, ihn zu verbessern, und entferne anschließend diese Markierung … Deutsch Wikipedia
Objektiv (Fotografie) — Dieser Artikel oder Abschnitt bedarf einer Überarbeitung. Näheres ist auf der Diskussionsseite angegeben. Hilf mit, ihn zu verbessern, und entferne anschließend diese Markierung … Deutsch Wikipedia
Объектив Петцваля — Оптическая схема объектива Петцваля. Объектив Петцваля тип фотографического объектива. Оптическая схема 4 линзы в трёх группах. Передний компонент … Википедия
