TERMIUM Plus®

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REDUCED LUMINANCE COEFFICIENT [1 record]

Record 1 2013-01-29

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Optical Glass
  • Optics
DEF

The luminance coefficient ... corrected for the transmittance of a filter or ocular.

OBS

This is obtained by dividing the luminance coefficient ... by the luminous transmittance ... of the filter ...

OBS

The reduced luminance coefficient is expressed in (cd/m²)/lx.

OBS

(cd/m²)/lx: (candela per square meter)/lux.

OBS

reduced luminance coefficient: term and definition standardized by the International Organization for Standardization (ISO).

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Verres d'optique
  • Optique
DEF

Coefficient de luminance [...] corrigé pour le facteur de transmission d'un filtre ou oculaire.

OBS

Ce coefficient s'obtient en divisant le coefficient de luminance [...] par le facteur de transmission dans le visible [...] du filtre [...]

OBS

Le facteur de luminance est exprimé en (cd/m²)/lx.

OBS

(cd/m²)/lx : (candela par mètre carré)/lux.

OBS

facteur de luminance réduit : terme et définition normalisés par l'Organisation internationale de normalisation (ISO).

Spanish

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