TERMIUM Plus®

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Alphabetical list of terms

Record 1 1993-09-24

English

Subject field(s)
  • Photography
DEF

A measure of the noise introduced into the image produced by a lens when this image is recorded on photographic material which is inherently grainy.

French

Domaine(s)
  • Photographie
DEF

Mesure correspondant à 1000 fois la valeur de l'écart quadratique moyen de la distribution gaussienne des densités obtenues en explorant une densité uniforme nette de 1 à l'aide d'un point lumineux de 48 um de diamètre, formé par un objectif ouvert à f/2. Plus sa valeur est faible, plus l'image est dite à grain fin.

Spanish

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© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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