TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

FILTER FACTOR [2 records]

Record 1 1985-06-17

English

Subject field(s)
  • Range Measurements (Telecommunications)

French

Domaine(s)
  • Mesures à distance (Télécommunications)

Spanish

Save record 1

Record 2 1979-03-05

English

Subject field(s)
  • Optics
  • Photography
CONT

Because filters subtract some of the light passing through the lens, you need to increase either your exposure time or the lens opening to make up for this loss of light. The number by which you must multiply the exposure you would use without a filter is called the filter factor.

French

Domaine(s)
  • Optique
  • Photographie
CONT

On appelle coefficient d'un filtre le nombre par lequel il convient de multiplier le temps de pose qui donne, en lumière libre, une bonne image pour obtenir, en lumière filtrée, une image de même densité.

Spanish

Save record 2

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

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