cemented\ lens

cemented\ lens
ragasztott lencse

English-Hungarian dictionary. 2013.

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  • Lens — The transparent structure inside the eye that focuses light rays onto the retina (the nerve layer that lines the back of the eye, senses light and creates impulses that go through the optic nerve to the brain). The lens was named after the lentil …   Medical dictionary

  • Large format lens — Large format lenses are photographic optics that provide an image circle large enough to cover large format film or plates. Large format lenses are typically used in large format cameras and view cameras.Photographic optics generally project a… …   Wikipedia

  • Doublet (lens) — For other uses, see Doublet (disambiguation). An achromatic doublet. In optics, a doublet is a type of lens made up of two simple lenses paired together. Such an arrangement allows more optical surfaces, thicknesses, and formulations, especially… …   Wikipedia

  • Photographic lens — A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media… …   Wikipedia

  • Double-Gauss lens — The double Gauss design with optical ray traces The double Gauss lens is a compound lens used mostly in camera lenses that reduces optical aberrations over a large focal plane. Contents 1 Design …   Wikipedia

  • Plasmat lens — The Plasmat lens is a widely used and long established lens type, especially common in large format photography. It provides high correction of aberrations with a moderate maximum aperture (e.g. f/|5.6|link=yes). In its most basic form it is… …   Wikipedia

  • Achromatic lens — An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus in the same plane.The most common… …   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

  • compound lens — noun a lens system consisting of two or more lenses on the same axis • Hypernyms: ↑lens, ↑lense, ↑lens system • Hyponyms: ↑achromatic lens * * * noun : a lens made of simple lenses mounted on a common axis usually in close juxtaposition and often …   Useful english dictionary

  • Triplet lens — A triplet lens is an optical device consisting of three single lenses. The triplet design is the simplest to give the required number of degrees of freedom to allow the lens designer to overcome all Seidel aberrations. The term is used in two… …   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

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