photometric quantity — fotometrinis dydis statusas T sritis Standartizacija ir metrologija apibrėžtis Fotometrijoje vartojamas dydis, pvz., šviesos srautas, šviesos stipris, apšvieta ir kt. atitikmenys: angl. photometric quantity vok. photometrische Größe, f rus.… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
Photographic quantity — (also known as photoquantity) is a measure of the amount of light received by a sensor, such as a camera, in dimensionless units that account for information lost by integration over the spectral response of the sensor, while otherwise preserving … Wikipedia
Exposure (photography) — Underexposure redirects here. For the 2005 film by Oday Rasheed, see Underexposure (2005 film). A long exposure showing stars rotating around the southern and northern celestial poles. Credit: European Southern Observatory … Wikipedia
Light — For other uses, see Light (disambiguation). Visible light redirects here. For other uses, see Visible light (disambiguation) … Wikipedia
Radiant energy — Visible light (a form of radiant energy) scattered by fog in a forest. Radiant energy is the energy of electromagnetic waves.[1] The quantity of radiant energy may be calculated by integrating radiant flux (or power) with respect to time and … Wikipedia
Radiance — For other uses, see Radiance (disambiguation). Radiance and spectral radiance are radiometric measures that describe the amount of radiation such as light or radiant heat that passes through or is emitted from a particular area, and falls within… … Wikipedia
Light intensity — Several measures of light are commonly known as intensity:*Radiant intensity is a radiometric quantity, measured in watts per steradian (W/sr). *Luminous intensity is a photometric quantity, measured in lumens per steradian (lm/sr), or candela… … Wikipedia
Luminance — A&V The measurable, luminous intensity of a video signal. Differentiated from brightness in that the latter is nonrneasurable and sensory. The color video picture information contains two components: luminance (brightness and contrast) and… … Audio and video glossary
fotometrinis dydis — statusas T sritis Standartizacija ir metrologija apibrėžtis Fotometrijoje vartojamas dydis, pvz., šviesos srautas, šviesos stipris, apšvieta ir kt. atitikmenys: angl. photometric quantity vok. photometrische Größe, f rus. фотометрическая величина … Penkiakalbis aiškinamasis metrologijos terminų žodynas
grandeur photométrique — fotometrinis dydis statusas T sritis Standartizacija ir metrologija apibrėžtis Fotometrijoje vartojamas dydis, pvz., šviesos srautas, šviesos stipris, apšvieta ir kt. atitikmenys: angl. photometric quantity vok. photometrische Größe, f rus.… … Penkiakalbis aiškinamasis metrologijos terminų žodynas