TERMIUM Plus®
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ECART LUMINANCES [2 records]
Record 1 - internal organization data 1980-08-13
Record 1, English
Record 1, Subject field(s)
- Photography
Record 1, Main entry term, English
- tone range
1, record 1, English, tone%20range
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- tonal range 2, record 1, English, tonal%20range
correct
- range of tones 3, record 1, English, range%20of%20tones
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Since a paper print hardly ever shows a tone range of over 30:1, it can rarely record the true tones of the negative. (...) This means that the print will look flat, even if it includes a complete range of tones from black to white, simply because the separation between the individual tones is not great enough. 3, record 1, English, - tone%20range
Record 1, French
Record 1, Domaine(s)
- Photographie
Record 1, Main entry term, French
- écart des luminances
1, record 1, French, %C3%A9cart%20des%20luminances
correct
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
En photographie documentaire, scientifique et technique, l'écart des luminances extrêmes du sujet peut dépasser les possibilités de reproduction des valeurs d’un procédé donné. On est alors obligé de comprimer l'échelle de luminances de l'épreuve finale ou de la déformer(...) 1, record 1, French, - %C3%A9cart%20des%20luminances
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1980-08-13
Record 2, English
Record 2, Subject field(s)
- Photography
Record 2, Main entry term, English
- tone scale
1, record 2, English, tone%20scale
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- scale of tones 2, record 2, English, scale%20of%20tones
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
While tone separation falsifies the gradation of the subject, it is capable of giving a print that looks more natural than one made by normal printing procedure with its resulting compressed tone scale. 2, record 2, English, - tone%20scale
Record 2, French
Record 2, Domaine(s)
- Photographie
Record 2, Main entry term, French
- échelle de luminances
1, record 2, French, %C3%A9chelle%20de%20luminances
correct
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
En photographie documentaire, scientifique et technique, l'écart des luminances extrêmes du sujet peut dépasser les possibilités de reproduction des valeurs d’un procédé donné. On est alors obligé de comprimer l'échelle de luminances de l'épreuve finale ou de la déformer, soit par des méthodes photographiques, soit par exploration lignée du négatif original(...) et restitution de l'image sur un écran après correction appropriée des signaux électriques à l'aide d’un ordinateur. 1, record 2, French, - %C3%A9chelle%20de%20luminances
Record 2, Spanish
Record 2, Textual support, Spanish
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© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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