- general illuminance
- general illuminance Allgemeinbeleuchtungsstärke f
English-German dictionary of Electrical Engineering and Electronics. 2013.
English-German dictionary of Electrical Engineering and Electronics. 2013.
Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible … Wikipedia
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
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
Foot-candle — A foot candle (sometimes foot candle; abbreviated fc, lm/ft², or sometimes ft c) is a non SI unit of illuminance or light intensity widely used in photography, film, television, and the lighting industry. The unit is defined as the amount of… … Wikipedia
Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors … 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
Photometer — In the broadest sense, a photometer is any instrument used to measure illuminance or irradiance. As applied in industrial photometry, a photometer is the general term covering instruments for detecting:*scattered light intensity *absorption… … Wikipedia
Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea … Wikipedia
Pulfrich effect — The Pulfrich effect is a psychophysical phenomenon wherein lateral motion of an object in the field of view is interpreted by the visual cortex as having a depth component, due to a relative difference in signal timings between the two eyes. The… … Wikipedia
Daylight factor — A daylight factor is the ratio of internal light level to external light level and is defined as follows: DF = (Ei / Eo) x 100% where, Ei = illumiance due to daylight at a point on the indoors working plane, Eo = simultaneous outdoor illuminance… … Wikipedia
coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction in biology,… … Universalium