TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
SLOW LENS [3 records]
Record 1 - internal organization data 2004-05-26
Record 1, English
Record 1, Subject field(s)
- Optics
- Photography
Record 1, Main entry term, English
- slow lens
1, record 1, English, slow%20lens
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A lens with a small maximum aperture, such as f/8. 1, record 1, English, - slow%20lens
Record 1, French
Record 1, Domaine(s)
- Optique
- Photographie
Record 1, Main entry term, French
- objectif peu lumineux
1, record 1, French, objectif%20peu%20lumineux
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Lentille comportant une faible ouverture maximale, telle que f/8. 2, record 1, French, - objectif%20peu%20lumineux
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2004-05-10
Record 2, English
Record 2, Subject field(s)
- Optics
- Photography
Record 2, Main entry term, English
- lens speed
1, record 2, English, lens%20speed
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The largest lens opening [smallest f-number] at which a lens can be set. 2, record 2, English, - lens%20speed
Record number: 2, Textual support number: 1 CONT
Lens speed is determined by the maximum aperture of the lens(the largest lens opening or the smallest f-number) in relation to it's focal length. The "speed" of a lens is relative, a 400 mm lens with a maximum aperture of f/3. 5 is considered extremely fast, while a 28mm f/3. 5 lens is thought to be relatively slow. 3, record 2, English, - lens%20speed
Record number: 2, Textual support number: 1 OBS
A "fast" lens transmits more light and has a larger opening than a "slow" lens. 2, record 2, English, - lens%20speed
Record 2, Key term(s)
- speed of a lens
Record 2, French
Record 2, Domaine(s)
- Optique
- Photographie
Record 2, Main entry term, French
- clarté d'un objectif
1, record 2, French, clart%C3%A9%20d%27un%20objectif
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- rapidité d'un objectif 2, record 2, French, rapidit%C3%A9%20d%27un%20objectif
feminine noun
- luminosité d'un objectif 2, record 2, French, luminosit%C3%A9%20d%27un%20objectif
feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
La plus grande ouverture [...] sur laquelle on peut régler l'objectif grâce au diaphragme. 1, record 2, French, - clart%C3%A9%20d%27un%20objectif
Record number: 2, Textual support number: 1 OBS
Un objectif «clair» transmet plus de lumière et a une ouverture plus grande qu'un objectif de petite ouverture. 1, record 2, French, - clart%C3%A9%20d%27un%20objectif
Record number: 2, Textual support number: 2 OBS
Caractéristiques d'un objectif. [...] Sa luminosité. C'est sa capacité à absorber et restituer la luminosité de votre scène. La luminosité ou ouverture se caractérise par le sigle «f» et un chiffre, plus le chiffre est petit (ex : 1.4 ou 1.8) plus votre objectif est lumineux. Plus un objectif est lumineux plus il autorise des vitesses élevées, une profondeur de champs restreinte donc de très jolis flous et plus son prix augmente. 2, record 2, French, - clart%C3%A9%20d%27un%20objectif
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2004-03-19
Record 3, English
Record 3, Subject field(s)
- Audiovisual Techniques and Equipment
- Photography
Record 3, Main entry term, English
- fast lens
1, record 3, English, fast%20lens
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A lens with a wide maximum aperture. 2, record 3, English, - fast%20lens
Record number: 3, Textual support number: 1 CONT
A fast lens transmits more light and has a larger opening than a slow lens. 3, record 3, English, - fast%20lens
Record 3, French
Record 3, Domaine(s)
- Audiovisuel (techniques et équipement)
- Photographie
Record 3, Main entry term, French
- objectif lumineux
1, record 3, French, objectif%20lumineux
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Lentille possédant une grande ouverture qui permet ainsi de faire pénétrer un maximum de lumière. 2, record 3, French, - objectif%20lumineux
Record 3, Spanish
Record 3, Textual support, Spanish
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