standard light source
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Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr … Wikipedia
light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics … Universalium
Source Four — The ETC (Electronic Theatre Controls) Source Four (also known unofficially as Source 4 or S4 ) is an ellipsoidal reflector spotlight, a type of spotlight used in stage lighting. The ETC Source Four revolutionized stage lighting in 1992 cite news… … Wikipedia
Source Four PAR — The Electronic Theatre Controls Source Four PAR fixture is considered an improvement upon traditional Parabolic aluminized reflector light cans. The Source Four PAR uses an HPL lamp (the same used in other ETC Source Four fixtures), a distinct… … Wikipedia
Standard illuminant — A standard illuminant is a profile or spectrum of visible light which is published in order to allow images or colors recorded under different lighting to be compared.CIE illuminantsThe International Commission on Illumination (usually… … Wikipedia
Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution … Wikipedia
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
Light fixture — This article is about architectural light fixtures. For stage lighting, see Stage lighting instrument. Many various light fixtures A light fixture, light fitting, or luminaire is an electrical device used to create artificial light and/or… … Wikipedia
Standard Mandarin — Standard Mandarin, also known as Standard Spoken Chinese, is the official modern Chinese spoken language used in mainland China and Taiwan, and is one of the four official languages of Singapore.The phonology of Standard Mandarin is based on the… … Wikipedia
Light Warlpiri — is a mixed language of Australia, with indigenous Warlpiri (Ngarrkic), Kriol/Aboriginal Australian English (AAE), and Standard Australian English (SAE) as its source languages. It is spoken in the Lajamanu community by adults under the age of… … Wikipedia
Light writing — is an emerging form of stop motion animation wherein still images captured using the technique known as Light painting or light drawing are put in sequence thereby creating the optical illusion of movement for the viewer. [cite web… … Wikipedia
