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Luminance
CHF 43.20
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JKNGJ4NCNB9
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Geliefert zwischen Mi., 26.11.2025 und Do., 27.11.2025
Details
Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle. The SI unit for luminance is candela per square metre (cd/m2). A non-SI term for the same unit is the "nit". The CGS unit of luminance is the stilb, which is equal to one candela per square centimetre or 10 kcd/m2. Luminance is often used to characterize emission or reflection from flat, diffuse surfaces. The luminance indicates how much luminous power will be perceived by an eye looking at the surface from a particular angle of view. Luminance is thus an indicator of how bright the surface will appear. In this case, the solid angle of interest is the solid angle subtended by the eye's pupil. Luminance is used in the video industry to characterize the brightness of displays. A typical computer display emits between 50 and 300 cd/m2. The sun has luminance of about 1.6×109 cd/m2 at noon.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130653699
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Genre Physik & Astronomie
- EAN 9786130653699
- Format Fachbuch
- Titel Luminance
- Herausgeber Alphascript Publishing
- Anzahl Seiten 100
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