- double achromatic lens
- Макаров: двухлинзовый ахромат
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
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
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
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
lens — I (New American Roget s College Thesaurus) n. refractor, eyeglass, magnifying glass, reading glass. See optical instruments. II (Roget s IV) n. Syn. optical instrument, microscope, camera, eyeglass, spectacles, eyepiece. Types of lenses include:… … English dictionary for students
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
Corrective lens — A bifocal corrective eyeglass lens A pair of contact le … Wikipedia
microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… … Universalium
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
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
Dollond, Peter — ▪ British optician born 1730, London, England died July 2, 1820, Kennington, London British optician (optics) who, though lacking a theoretical background, invented the triple achromatic lens still in wide use, made substantial improvements … Universalium
physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world … Universalium