TERMIUM Plus®

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

GRADE CONTRAST [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-10-24

English

Subject field(s)
  • Photography
CONT

Photographic papers are available in various grades of contrast. Contrast is described by numerical values that progress through well-defined steps from 0 (ultra soft) through 1, 2, 3, 4 to 5 (ultra hard).

OBS

grade of contrast: term standardized by the Canadian General Standards Board (CGSB).

French

Domaine(s)
  • Photographie
CONT

La classification des papiers [sensibles] en doux, normaux, vigoureux, etc., est arbitraire et fort imprécise, car il existe, dans chaque catégorie, plusieurs degrés de contraste.

OBS

Les papiers sensibles usuels permettent de copier convenablement les négatifs dont le contraste est exprimé par un logarithme compris entre 0,30 et 1,70 inclus; [...] On a coutume de classer comme suit les négatifs utilisables : Ultra-doux [...] Doux [...] Normaux [...] Médiums [...] Vigoureux [...] Ultra vigoureux [...]

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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