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photometric$60424$ - translation to greek
SCIENCE OF THE MEASUREMENT OF LIGHT IN TERMS OF PERCEIVED BRIGHTNESS
Photometric quantities; Photometrics
![Photopic (daytime-adapted, black curve) and scotopic [http://www.cvrl.org/database/text/lum/scvl.htm] (darkness-adapted, green curve) luminosity functions. The photopic includes the CIE 1931 standard [http://www.cvrl.org/database/text/cmfs/ciexyz31.htm] (solid), the Judd-Vos 1978 modified data [http://www.cvrl.org/database/text/lum/vljv.htm] (dashed), and the Sharpe, Stockman, Jagla & Jägle 2005 data [http://www.cvrl.org/database/text/lum/ssvl2.htm] (dotted). The horizontal axis is wavelength in nm.](https://commons.wikimedia.org/wiki/Special:FilePath/Luminosity.png?width=200 "Photopic (daytime-adapted, black curve) and scotopic [http://www.cvrl.org/database/text/lum/scvl.htm] (darkness-adapted, green curve) luminosity functions. The photopic includes the CIE 1931 standard [http://www.cvrl.org/database/text/cmfs/ciexyz31.htm] (solid), the Judd-Vos 1978 modified data [http://www.cvrl.org/database/text/lum/vljv.htm] (dashed), and the Sharpe, Stockman, Jagla & Jägle 2005 data [http://www.cvrl.org/database/text/lum/ssvl2.htm] (dotted). The horizontal axis is wavelength in nm.")
photometric
adj. φωτομετρικός
Wikipedia
Photometry (optics)
Photometry is the science of the measurement of light, in terms of its perceived brightness to the human eye. It is distinct from radiometry, which is the science of measurement of radiant energy (including light) in terms of absolute power. In modern photometry, the radiant power at each wavelength is weighted by a luminosity function that models human brightness sensitivity. Typically, this weighting function is the photopic sensitivity function, although the scotopic function or other functions may also be applied in the same way. The weightings are standardized by the CIE and ISO.
