NATO terminų aiškinamasis žodynas. – 3-iasis patais. leid. – Vilnius : Lietuvos Respublikos krašto apsaugos ministerijos Generalinė inspekcija . 2006.
nominal focal length — An approximate value of the focal length, rounded off to some standard figure, used for the classification of lenses, mirrors, or cameras … Military dictionary
Nominal impedance — in electrical engineering and audio engineering refers to the approximate designed impedance of an electrical circuit or device. The term is applied in a number of different fields, most often being encountered in respect of: The nominal value of … Wikipedia
distance focale nominale — nominalusis židinio nuotolis statusas T sritis Gynyba apibrėžtis Apytikris židinio nuotolis, suapvalintas iki kokio nors standartinio skaičiaus, vartojamas lęšiams, veidrodžiams arba fotoaparatams klasifikuoti. atitikmenys: angl. nominal focal… … NATO terminų aiškinamasis žodynas
nominalusis židinio nuotolis — statusas T sritis Gynyba apibrėžtis Apytikris židinio nuotolis, suapvalintas iki kokio nors standartinio skaičiaus, vartojamas lęšiams, veidrodžiams arba fotoaparatams klasifikuoti. atitikmenys: angl. nominal focal length pranc. distance focale… … NATO terminų aiškinamasis žodynas
History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… … 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
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
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
Circle of confusion — For the closely related topic in microscopy, see Point spread function. In optics, a circle of confusion is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as… … Wikipedia
Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… … Wikipedia
