TERMIUM Plus®
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OUVERTURE UTILE [4 records]
Record 1 - internal organization data 1980-07-15
Record 1, English
Record 1, Subject field(s)
- Photography
Record 1, Main entry term, English
- aperture
1, record 1, English, aperture
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
In an optical system, an opening through which light can pass. 1, record 1, English, - aperture
Record 1, French
Record 1, Domaine(s)
- Photographie
Record 1, Main entry term, French
- ouverture utile 1, record 1, French, ouverture%20utile
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Diamètre d'un faisceau de rayons parallèles à l'axe optique de l'objectif traversant ce dernier en occupant la totalité du diaphragme considéré. Ce diamètre est à peu près égal au diamètre du diaphragme grand ouvert. 1, record 1, French, - ouverture%20utile
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1976-06-19
Record 2, English
Record 2, Subject field(s)
- Doors, Windows and Openings (Building Elements)
Record 2, Main entry term, English
- effective opening 1, record 2, English, effective%20opening
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, French
Record 2, Domaine(s)
- Ouvertures (Éléments du bâtiment)
Record 2, Main entry term, French
- ouverture utile
1, record 2, French, ouverture%20utile
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1975-03-11
Record 3, English
Record 3, Subject field(s)
- Photography
- Optics
Record 3, Main entry term, English
- effective aperture 1, record 3, English, effective%20aperture
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
This is the diameter of the light beam reaching the lens from a distant object point along its axis, which passes through the edge of the limiting aperture. 1, record 3, English, - effective%20aperture
Record 3, French
Record 3, Domaine(s)
- Photographie
- Optique
Record 3, Main entry term, French
- diamètre utile du diaphragme
1, record 3, French, diam%C3%A8tre%20utile%20du%20diaphragme
masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- ouverture utile 2, record 3, French, ouverture%20utile
feminine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
L'ouverture relative de l'objectif est le rapport géométrique existant entre la distance focale et le diamètre du faisceau lumineux parallèle à l'axe optique qui passe par le diaphragme (ou diamètre utile du diaphragme). 1, record 3, French, - diam%C3%A8tre%20utile%20du%20diaphragme
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1975-03-11
Record 4, English
Record 4, Subject field(s)
- Photography
Record 4, Main entry term, English
- working aperture 1, record 4, English, working%20aperture
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
--largest aperture at which a lens will give a satisfactory negative, as opposed to the largest aperture to which the diaphragm can be opened. 1, record 4, English, - working%20aperture
Record 4, French
Record 4, Domaine(s)
- Photographie
Record 4, Main entry term, French
- ouverture utile 1, record 4, French, ouverture%20utile
Record 4, Abbreviations, French
Record 4, Synonyms, French
- ouverture mécanique 1, record 4, French, ouverture%20m%C3%A9canique
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
si, face à une source lumineuse, on applique à l'arrière de l'objectif un verre dépoli, il se forme sur ce dernier un cercle lumineux dont le diamètre est l'-- (...) dite aussi ouverture mécanique. 1, record 4, French, - ouverture%20utile
Record 4, Spanish
Record 4, Textual support, Spanish
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