TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
effective aperture [3 records]
Record 1 - external organization data 2009-08-04
Record 1, English
Record 1, Subject field(s)
- Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies) Record 1
Record 1, Main entry term, English
- effective aperture
1, record 1, English, effective%20aperture
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
apparent field of view of a scanner or similar device determined by the smaller of the spot size and the physical aperture of the scanner for reception of reflected light 1, record 1, English, - effective%20aperture
Record number: 1, Textual support number: 1 OBS
effective aperture: term and definition standardized by ISO/IEC [ISO/IEC 19762-2:2008]. 2, record 1, English, - effective%20aperture
Record 1, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1999-02-25
Record 2, English
Record 2, Subject field(s)
- Photography
- Optical Instruments
Record 2, Main entry term, English
- effective aperture
1, record 2, English, effective%20aperture
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- effective f-number 2, record 2, English, effective%20f%2Dnumber
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
... the light beam reaching the lens from a distant object point along its axis, which passes through the edge of the limiting aperture. 3, record 2, English, - effective%20aperture
Record 2, French
Record 2, Domaine(s)
- Photographie
- Instruments d'optique
Record 2, Main entry term, French
- ouverture effective
1, record 2, French, ouverture%20effective
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- ouverture photométrique 2, record 2, French, ouverture%20photom%C3%A9trique
feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Nombre que l'on obtient en multipliant l'ouverture relative f/ par le rapport de l'image : distance/longueur focale; cette ouverture effective s'utilise en photomacrographie, en particulier pour trouver la distance flash-sujet. 1, record 2, French, - ouverture%20effective
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
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