- Photoelectric exposure-meter
- Фотоэлектрический экспозиметр.
Краткий толковый словарь по полиграфии. 2010.
Photoelectric exposure-meter
Смотреть что такое "Photoelectric exposure-meter" в других словарях:
photoelectric exposure meter — photoelectric exposure meter, Photography. a type of exposure meter in which the light on a subject is measured by a photoelectric cell … Useful english dictionary
photoelectric effect — Physics. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. Also called photoemission. [1890 95] * * *… … Universalium
photoelectric meter — /ˌfoʊtoʊəˌlɛktrɪk ˈmitə/ (say .fohtohuh.lektrik meetuh) noun an exposure meter using a photoelectric cell for the measurement of light intensity …
photoelectric meter — Photog. an exposure meter using a photocell for the measurement of light intensity. * * * … Universalium
photoelectric meter — Photog. an exposure meter using a photocell for the measurement of light intensity … Useful english dictionary
Light meter — A light meter is a device used to measure the amount of light. In photography, a light meter is often used to determine the proper exposure for a photograph. Typically a light meter will include a computer, either digital or analogue, which… … Wikipedia
Selenium meter — A selenium meter is a light measuring instrument based photoelectric properties of selenium. The most common usage of such light meters is measuring the exposure value for photography. The electric parts of such a meter are an electromagnetic… … Wikipedia
exposuremeter — exposure meter © School Division, Houghton Mifflin Company n. A photoelectric instrument that measures the light intensity in a given area and, in photographic use, indicates the correct settings for an optimum exposure. Also called light meter.… … Universalium
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
APEX system — APEX stands for Additive system of Photographic EXposure, whichwas proposed in the 1960 ASA standardfor monochrome film speed, ASA PH2.5 1960,as a means of simplifying exposure computation.Exposure equationUntil the late 1960s, cameras did not… … Wikipedia
