focusing accuracy

См. также в других словарях:

• View camera — The view camera is a type of camera first developed in the era of the DaguerreotypeStroebel, L. D. (1986). View Camera Technique , 5th ed., p. 212. Boston: Focal Press. ISBN 0 240 51711 3] and still in use today, though with many refinements. It… …   Wikipedia

• Synchrotron light — This article is mostly concerned with applications of synchrotron radiation. For details of the production of synchrotron light, see synchrotron and synchrotron radiation. Synchrotron light is electromagnetic radiation produced by bending magnets …   Wikipedia

• mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …   Universalium

• Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …   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

• Autofocus — For the film of the same name, see Auto Focus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus fully automatic or on a manually selected point or area. An electronic rangefinder has a display instead of… …   Wikipedia

• education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …   Universalium

• C-SPAN — Launched March 19, 1979 (C SPAN) …   Wikipedia

• Canon EOS — and is often pronounced as a word, although some spell out the letters. There is no officially correct way, as both ways mean something logical.It competes primarily with the Nikon F series and its successors, as well as autofocus SLR systems… …   Wikipedia

• Defence of the Reich — Part of Campaigns of World War II …   Wikipedia

• telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …   Universalium