TERMIUM Plus®

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

INDICE ASA [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2003-11-13

English

Subject field(s)
  • Photography
DEF

ASA speed System of speed rating for sensitised materials specified in American National Standard PH2.5-1960 published by the American National Standards Institute (ANSI).

OBS

Numerically ASA speed is identical with British Standards BS. 1380:1962 and (related to the speed numbers specified in) the German Standard DIN 4512:1962-1-1971. Because the designation ASA has been used on exposure meters and cameras for many years the term 'ASA speed' is to be retained since re-designation as 'ANSI speed' would result in confusion-if not chaos.

French

Domaine(s)
  • Photographie
DEF

Dénomination de la sensibilité générale à la lumière [des pellicules photographiques] d'après les normes ANS (précédemment normes ASA) PH2.5-1960.

Spanish

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