TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
LENS OPENING [25 records]
Record 1 - internal organization data 2025-03-27
Record 1, English
Record 1, Subject field(s)
- Simulation (Cybernetic Systems)
- Collaboration with WIPO
Record 1, Main entry term, English
- virtual reality headset
1, record 1, English, virtual%20reality%20headset
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- VR headset 2, record 1, English, VR%20headset
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A virtual reality headset may block the view of the outside or real world from the user in order immerse the user in the images presented by the headset. By blocking the view of the outside world, the user’s senses are focused on the images, thereby engaging the user in the experience. This can help to make the experience more realistic. 3, record 1, English, - virtual%20reality%20headset
Record number: 1, Textual support number: 2 CONT
In a general aspect, a virtual reality headset can include a plurality of structural components, where each structural component can be formed from a respective cardboard sheet. The plurality of structural components being folded to form the VR headset. The plurality of structural components can include a plurality of flaps that define an opening for placement of the VR headset near or against a face of a user in a first configuration of the VR headset an internal wall of the VR headset, a bottom wall of the VR headset, a lens frame assembly, a top wall of the VR headset and an enclosure flap hingeably coupled with the bottom wall of the VR headset. The enclosure flap can be configured, in the first configuration of the VR headset, to secure an electronic device in the VR headset against the internal wall. In a second configuration of the VR headset, the enclosure flap can be configured to enclose the plurality of flaps that define the opening between the internal wall and the enclosure flap. 2, record 1, English, - virtual%20reality%20headset
Record number: 1, Textual support number: 1 OBS
virtual reality headset: data validated by Canadian subject-field experts from École Polytechnique de Montréal, MasterpieceVR and McGill University. 4, record 1, English, - virtual%20reality%20headset
Record 1, French
Record 1, Domaine(s)
- Simulation (Systèmes cybernétiques)
- Collaboration avec l'OMPI
Record 1, Main entry term, French
- casque de réalité virtuelle
1, record 1, French, casque%20de%20r%C3%A9alit%C3%A9%20virtuelle
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- casque de RV 2, record 1, French, casque%20de%20RV
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La technologie actuelle de réalité virtuelle utilise le plus souvent des casques de réalité virtuelle ou des environnements multi-projets, parfois en combinaison avec des environnements physiques ou des accessoires, pour générer des images, des sons et d'autres sensations réalistes qui simulent la présence physique de l'utilisateur dans un environnement virtuel ou imaginaire. Une personne utilisant un équipement de réalité virtuelle est capable de «regarder autour d'elle» le monde artificiel, de s'y déplacer et d'interagir avec des caractéristiques ou des objets virtuels. 3, record 1, French, - casque%20de%20r%C3%A9alit%C3%A9%20virtuelle
Record number: 1, Textual support number: 2 CONT
[L'invention] concerne plus particulièrement un système de simulation d'un déplacement sans contrainte d'un utilisateur dans un environnement de réalité virtuelle. [...] On connaît dans le domaine des jeux vidéo l'utilisation d'un casque de réalité virtuelle. Un tel casque permet de plonger l'utilisateur dans un environnement virtuel. 4, record 1, French, - casque%20de%20r%C3%A9alit%C3%A9%20virtuelle
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Simulación (Sistemas cibernéticos)
- Colaboración con la OMPI
Record 1, Main entry term, Spanish
- casco de realidad virtual
1, record 1, Spanish, casco%20de%20realidad%20virtual
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- casco de RV 2, record 1, Spanish, casco%20de%20RV
correct, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
Aquellos equipos que limitan la entrada de estímulos del ambiente real y potencian la correspondiente al entorno virtual disminuyen, por mecanismos perceptivos, la sensación de presencia en el mundo real e incrementan la presencia en el entorno virtual. Los cascos de realidad virtual son el componente más conocido de este tipo; con ellos el campo visual del sujeto queda prácticamente cubierto por la información que proviene del entorno virtual. 1, record 1, Spanish, - casco%20de%20realidad%20virtual
Record number: 1, Textual support number: 2 CONT
[…] algunos cascos de RV […] poseen un "pad" y un botón en uno de los laterales. […] El "pad" constituye ya una superficie táctil, pero no es una pantalla: sigue funcionando como un dispositivo periférico a través del cual se realizan acciones en la pantalla. Puesto en los cascos de RV, permite interactuar de distintos modos en la imagen, por ejemplo, moviendo un punto en ella, que funciona como el equivalente al puntero. 2, record 1, Spanish, - casco%20de%20realidad%20virtual
Record 2 - internal organization data 2023-05-16
Record 2, English
Record 2, Subject field(s)
- Orthoses
- Prostheses
- The Eye
Record 2, Main entry term, English
- in-use stability
1, record 2, English, in%2Duse%20stability
correct, standardized
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The ability of a contact lens or contact lens care product to retain its performance and safety from first opening to its discard date. 1, record 2, English, - in%2Duse%20stability
Record number: 2, Textual support number: 1 OBS
Glasses and contact lenses are considered to be either visual orthotic devices or visual prosthetic devices. 2, record 2, English, - in%2Duse%20stability
Record number: 2, Textual support number: 2 OBS
in-use stability: term and definition standardized by the International Organization for Standardization (ISO). 3, record 2, English, - in%2Duse%20stability
Record 2, French
Record 2, Domaine(s)
- Orthèses
- Prothèses
- Oeil
Record 2, Main entry term, French
- stabilité après première ouverture
1, record 2, French, stabilit%C3%A9%20apr%C3%A8s%20premi%C3%A8re%20ouverture
correct, feminine noun, standardized
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Capacité d'une lentille de contact ou d'un produit d'entretien des lentilles de contact à maintenir ses performances et la sécurité depuis la première ouverture jusqu'à la date limite d'utilisation. 1, record 2, French, - stabilit%C3%A9%20apr%C3%A8s%20premi%C3%A8re%20ouverture
Record number: 2, Textual support number: 1 OBS
Les lunettes et les lentilles de contact sont considérées comme étant soit des orthèses visuelles, soit des prothèses visuelles. 2, record 2, French, - stabilit%C3%A9%20apr%C3%A8s%20premi%C3%A8re%20ouverture
Record number: 2, Textual support number: 2 OBS
stabilité après première ouverture : terme et définition normalisés par l'Organisation internationale de normalisation (ISO). 3, record 2, French, - stabilit%C3%A9%20apr%C3%A8s%20premi%C3%A8re%20ouverture
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2023-05-16
Record 3, English
Record 3, Subject field(s)
- Pharmacology
- Orthoses
- Prostheses
- The Eye
Record 3, Main entry term, English
- contact lens care product
1, record 3, English, contact%20lens%20care%20product
correct, standardized
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A contact lens accessory intended for use in maintaining the safety and performance of a contact lens after opening and removal of the lens from its primary container. 1, record 3, English, - contact%20lens%20care%20product
Record number: 3, Textual support number: 1 OBS
Glasses and contact lenses are considered to be either visual orthotic devices or visual prosthetic devices. 2, record 3, English, - contact%20lens%20care%20product
Record number: 3, Textual support number: 2 OBS
contact lens care product: term and definition standardized by the International Organization for Standardization (ISO) in 2006. 3, record 3, English, - contact%20lens%20care%20product
Record 3, French
Record 3, Domaine(s)
- Pharmacologie
- Orthèses
- Prothèses
- Oeil
Record 3, Main entry term, French
- produit d'entretien des lentilles de contact
1, record 3, French, produit%20d%27entretien%20des%20lentilles%20de%20contact
correct, masculine noun, standardized
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Accessoire de lentille de contact destiné à être utilisé pour maintenir la sécurité et les performances d'une lentille de contact après ouverture et retrait d'une lentille de son récipient primaire. 1, record 3, French, - produit%20d%27entretien%20des%20lentilles%20de%20contact
Record number: 3, Textual support number: 1 OBS
Les lunettes et les lentilles de contact sont considérées comme étant soit des orthèses visuelles, soit des prothèses visuelles. 2, record 3, French, - produit%20d%27entretien%20des%20lentilles%20de%20contact
Record number: 3, Textual support number: 2 OBS
produit d'entretien des lentilles de contact : terme et définition normalisés par l'Organisation internationale de normalisation (ISO) en 2006. 3, record 3, French, - produit%20d%27entretien%20des%20lentilles%20de%20contact
Record 3, Key term(s)
- produit d'entretien de lentille de contact
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2012-11-06
Record 4, English
Record 4, Subject field(s)
- Eye Surgery
Record 4, Main entry term, English
- artificial pupil
1, record 4, English, artificial%20pupil
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
An opening made surgically in the iris when the central part of the cornea or lens is not transparent, or when the pupil has become displaced, usually as the result of iris prolapse. 2, record 4, English, - artificial%20pupil
Record 4, French
Record 4, Domaine(s)
- Chirurgie de l'œil
Record 4, Main entry term, French
- pupille artificielle
1, record 4, French, pupille%20artificielle
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Certaines cataractes peuvent être la source d'une mono-vision double, ceci par la distorsion des images passant à travers le cristallin. Les implants intra-oculaires peuvent créer une vision double s'ils se déplacent. Après une opération pour le glaucome ou une extraction de la cataracte certaines personnes ont une iridectomie. Une vision double peut alors apparaître avec la lumière passant par cette deuxième pupille artificielle. 1, record 4, French, - pupille%20artificielle
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Cirugía del ojo
Record 4, Main entry term, Spanish
- pupila artificial
1, record 4, Spanish, pupila%20artificial
correct, feminine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2010-06-08
Record 5, English
Record 5, Subject field(s)
- Eye Surgery
Record 5, Main entry term, English
- extracapsular extraction
1, record 5, English, extracapsular%20extraction
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
... consists of making an opening in the anterior capsule, expressing the lens nucleus through the capsule, and removing it from the eye along with any cortical material, but leaving the capsule. 2, record 5, English, - extracapsular%20extraction
Record number: 5, Textual support number: 1 CONT
Although a discussion of the relative merits of the two procedures is beyond the scope of this report, we favor placement of a superior capsular cut in situations where conversion to extracapsular cataract extraction may be required, such as early resident surgery, transition from extracapsular extraction to phacoemulsification, and cases of extremely large or brunescent nuclei. 3, record 5, English, - extracapsular%20extraction
Record 5, French
Record 5, Domaine(s)
- Chirurgie de l'œil
Record 5, Main entry term, French
- extraction extracapsulaire
1, record 5, French, extraction%20extracapsulaire
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- extraction extra-capsulaire 1, record 5, French, extraction%20extra%2Dcapsulaire
correct, feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Techniques d'extraction. Les différents temps sont : (...) - une ablation du cristallin selon deux modes : en totalité par l'intermédiaire d'une boule de glace unissant solidement le cristallin à une cryode : c'est l'extraction intracapsulaire; partiellement, en laissant en place la capsule postérieure après dissection de la capsule antérieure, expulsion du noyau, aspiration du cortex : c'est l'extraction extracapsulaire dont l'avantage est le maintien du plan capsulaire postérieur; 1, record 5, French, - extraction%20extracapsulaire
Record number: 5, Textual support number: 2 CONT
Cette technique est cependant applicable pour les extractions extra-capsulaires classiques manuelles, à condition que le diamètre du capsulorhexis soit assez large pour laisser passer le noyau sans risque de déchirure de l'orifice capsulaire antérieur. 1, record 5, French, - extraction%20extracapsulaire
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2005-11-21
Record 6, English
Record 6, Subject field(s)
- Surgical Instruments
- The Eye
Record 6, Main entry term, English
- cystitome
1, record 6, English, cystitome
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
An instrument for opening the capsule of the lens of the eye. 1, record 6, English, - cystitome
Record 6, French
Record 6, Domaine(s)
- Instruments chirurgicaux
- Oeil
Record 6, Main entry term, French
- cystitome
1, record 6, French, cystitome
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- cystitome 1, record 6, French, cystitome
correct, masculine noun
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Petit instrument de chirurgie oculaire permettant, par la pointe acérée de son extrémité en forme d'ergot, d'ouvrir la capsule antérieure du cristallin [capsulotomie antérieure]. 2, record 6, French, - cystitome
Record number: 6, Textual support number: 1 PHR
kystitome hydrostatique, irrigateur, à usage unique. 3, record 6, French, - cystitome
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Instrumental quirúrgico
- Ojo
Record 6, Main entry term, Spanish
- cistítomo
1, record 6, Spanish, cist%C3%ADtomo
masculine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
- capsulótomo 2, record 6, Spanish, capsul%C3%B3tomo
masculine noun
Record 6, Textual support, Spanish
Record number: 6, Textual support number: 1 DEF
Instrumento para la apertura de la cápsula del cristalino. 3, record 6, Spanish, - cist%C3%ADtomo
Record 7 - internal organization data 2004-09-09
Record 7, English
Record 7, Subject field(s)
- Photography
- Optics
- Video Technology
Record 7, Main entry term, English
- lens aperture
1, record 7, English, lens%20aperture
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
- lens opening 2, record 7, English, lens%20opening
correct
- stop opening 3, record 7, English, stop%20opening
correct
Record 7, Textual support, English
Record number: 7, Textual support number: 1 OBS
Aperture :Opening of a lens which controls the amount of light that passes to the photographic material, measured in "f" [focal] numbers. 4, record 7, English, - lens%20aperture
Record 7, French
Record 7, Domaine(s)
- Photographie
- Optique
- Vidéotechnique
Record 7, Main entry term, French
- ouverture de diaphragme
1, record 7, French, ouverture%20de%20diaphragme
correct, feminine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
- ouverture d'objectif 1, record 7, French, ouverture%20d%27objectif
correct, feminine noun
- diaphragmation 2, record 7, French, diaphragmation
feminine noun
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
Ouverture formée par l'iris du diaphragme à l'intérieur de la lentille. 1, record 7, French, - ouverture%20de%20diaphragme
Record number: 7, Textual support number: 1 OBS
Cette ouverture peut être agrandie ou rapetissée par le biais d'un système autofocus ou par contrôle manuel. 1, record 7, French, - ouverture%20de%20diaphragme
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2004-08-04
Record 8, English
Record 8, Subject field(s)
- Audiovisual Techniques and Equipment
- Photography
Record 8, Main entry term, English
- selective focusing
1, record 8, English, selective%20focusing
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- differential focusing 2, record 8, English, differential%20focusing
correct
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
Limitation of sharpness to a preselected zone of depth. 1, record 8, English, - selective%20focusing
Record number: 8, Textual support number: 1 CONT
Selective focusing is done to isolate a subject by causing other elements in a scene to be blurred. It is done by choosing a lens opening that produces a shallow depth of field. 3, record 8, English, - selective%20focusing
Record 8, French
Record 8, Domaine(s)
- Audiovisuel (techniques et équipement)
- Photographie
Record 8, Main entry term, French
- mise au point sélective
1, record 8, French, mise%20au%20point%20s%C3%A9lective
correct, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
Mise au point limitant la netteté à une zone de profondeur déterminée. 2, record 8, French, - mise%20au%20point%20s%C3%A9lective
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 2004-05-26
Record 9, English
Record 9, Subject field(s)
- Audiovisual Techniques and Equipment
- Photography
Record 9, Main entry term, English
- pinhole camera
1, record 9, English, pinhole%20camera
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
A camera with pinhole lens. 1, record 9, English, - pinhole%20camera
Record number: 9, Textual support number: 1 OBS
pinhole lens :Lens used for applications where the camera/lens must be hidden. Front of lens has a small opening to allow the lens to view an entire room through a small hole in a wall [or a pen]. 1, record 9, English, - pinhole%20camera
Record 9, Key term(s)
- pin-hole camera
Record 9, French
Record 9, Domaine(s)
- Audiovisuel (techniques et équipement)
- Photographie
Record 9, Main entry term, French
- caméra cachée
1, record 9, French, cam%C3%A9ra%20cach%C3%A9e
correct, feminine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 DEF
Caméra miniaturisée dissimulée dans un mur ou intégrée dans un objet, comme un stylo ou une cravate, afin de pouvoir prendre des prises de vues sans être détectée. 2, record 9, French, - cam%C3%A9ra%20cach%C3%A9e
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 2004-05-26
Record 10, English
Record 10, Subject field(s)
- Optical Instruments
- Photography
Record 10, Main entry term, English
- pinhole lens
1, record 10, English, pinhole%20lens
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 DEF
A lens used for applications where the camera/lens must be hidden. 1, record 10, English, - pinhole%20lens
Record number: 10, Textual support number: 1 OBS
Front of lens has a small opening to allow the lens to view an entire room through a small hole in a wall [or a pen]. 1, record 10, English, - pinhole%20lens
Record 10, French
Record 10, Domaine(s)
- Instruments d'optique
- Photographie
Record 10, Main entry term, French
- lentille de caméra cachée
1, record 10, French, lentille%20de%20cam%C3%A9ra%20cach%C3%A9e
proposal, feminine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 DEF
Lentille employée pour les prises de vues où la caméra doit être dissimulée. 1, record 10, French, - lentille%20de%20cam%C3%A9ra%20cach%C3%A9e
Record number: 10, Textual support number: 1 OBS
La partie frontale de la lentille est munie d'une petite ouverture qui permet à la lentille d'espionner une pièce entière par un trou minuscule à travers un mur ou un objet comme une plume ou une cravate. 1, record 10, French, - lentille%20de%20cam%C3%A9ra%20cach%C3%A9e
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 2004-05-10
Record 11, English
Record 11, Subject field(s)
- Photography
Record 11, Main entry term, English
- overexposed picture
1, record 11, English, overexposed%20picture
correct
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 DEF
A faded photography which results from an excessive lens opening or a prolonged exposure time. 2, record 11, English, - overexposed%20picture
Record 11, Key term(s)
- over-exposed picture
Record 11, French
Record 11, Domaine(s)
- Photographie
Record 11, Main entry term, French
- image surexposée
1, record 11, French, image%20surexpos%C3%A9e
feminine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 DEF
Image trop claire du fait d'une trop grande ouverture de l'objectif ou d'un temps de pose trop long. 1, record 11, French, - image%20surexpos%C3%A9e
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 2004-05-10
Record 12, English
Record 12, Subject field(s)
- Optics
- Photography
Record 12, Main entry term, English
- lens speed
1, record 12, English, lens%20speed
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 DEF
The largest lens opening [smallest f-number] at which a lens can be set. 2, record 12, English, - lens%20speed
Record number: 12, 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 12, English, - lens%20speed
Record number: 12, Textual support number: 1 OBS
A "fast" lens transmits more light and has a larger opening than a "slow" lens. 2, record 12, English, - lens%20speed
Record 12, Key term(s)
- speed of a lens
Record 12, French
Record 12, Domaine(s)
- Optique
- Photographie
Record 12, Main entry term, French
- clarté d'un objectif
1, record 12, French, clart%C3%A9%20d%27un%20objectif
correct, feminine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
- rapidité d'un objectif 2, record 12, French, rapidit%C3%A9%20d%27un%20objectif
feminine noun
- luminosité d'un objectif 2, record 12, French, luminosit%C3%A9%20d%27un%20objectif
feminine noun
Record 12, Textual support, French
Record number: 12, Textual support number: 1 DEF
La plus grande ouverture [...] sur laquelle on peut régler l'objectif grâce au diaphragme. 1, record 12, French, - clart%C3%A9%20d%27un%20objectif
Record number: 12, 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 12, French, - clart%C3%A9%20d%27un%20objectif
Record number: 12, 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 12, French, - clart%C3%A9%20d%27un%20objectif
Record 12, Spanish
Record 12, Textual support, Spanish
Record 13 - internal organization data 2004-03-19
Record 13, English
Record 13, Subject field(s)
- Audiovisual Techniques and Equipment
- Photography
Record 13, Main entry term, English
- fast lens
1, record 13, English, fast%20lens
correct
Record 13, Abbreviations, English
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 DEF
A lens with a wide maximum aperture. 2, record 13, English, - fast%20lens
Record number: 13, Textual support number: 1 CONT
A fast lens transmits more light and has a larger opening than a slow lens. 3, record 13, English, - fast%20lens
Record 13, French
Record 13, Domaine(s)
- Audiovisuel (techniques et équipement)
- Photographie
Record 13, Main entry term, French
- objectif lumineux
1, record 13, French, objectif%20lumineux
correct, masculine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
Record 13, Textual support, French
Record number: 13, Textual support number: 1 DEF
Lentille possédant une grande ouverture qui permet ainsi de faire pénétrer un maximum de lumière. 2, record 13, French, - objectif%20lumineux
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 2003-12-16
Record 14, English
Record 14, Subject field(s)
- Audiovisual Techniques and Equipment
- Photography
Record 14, Main entry term, English
- automatic camera
1, record 14, English, automatic%20camera
correct
Record 14, Abbreviations, English
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 DEF
A camera with a built-in exposure meter that automatically adjusts the lens opening, shutter speed, or both for proper exposure. 1, record 14, English, - automatic%20camera
Record 14, French
Record 14, Domaine(s)
- Audiovisuel (techniques et équipement)
- Photographie
Record 14, Main entry term, French
- appareil photographique automatique
1, record 14, French, appareil%20photographique%20automatique
correct, masculine noun
Record 14, Abbreviations, French
Record 14, Synonyms, French
- appareil-photo automatique 2, record 14, French, appareil%2Dphoto%20automatique
correct, masculine noun
- appareil photo automatique 3, record 14, French, appareil%20photo%20automatique
correct, masculine noun
Record 14, Textual support, French
Record number: 14, Textual support number: 1 DEF
Appareil-photo muni d'un posemètre intégré qui règle automatiquement l'ouverture de l'objectif et la vitesse d'obturation, ou les deux, afin d'assurer une exposition adéquate. 4, record 14, French, - appareil%20photographique%20automatique
Record 14, Spanish
Record 14, Textual support, Spanish
Record 15 - internal organization data 2003-04-16
Record 15, English
Record 15, Subject field(s)
- Cinematography
- Audiovisual Techniques and Equipment
Record 15, Main entry term, English
- film gate
1, record 15, English, film%20gate
correct
Record 15, Abbreviations, English
Record 15, Synonyms, English
- gate 2, record 15, English, gate
correct
Record 15, Textual support, English
Record number: 15, Textual support number: 1 DEF
An opening on a camera(or projector) behind the lens through which a single frame is exposed(or projected). 3, record 15, English, - film%20gate
Record 15, French
Record 15, Domaine(s)
- Cinématographie
- Audiovisuel (techniques et équipement)
Record 15, Main entry term, French
- couloir du film
1, record 15, French, couloir%20du%20film
correct, masculine noun
Record 15, Abbreviations, French
Record 15, Synonyms, French
- couloir 2, record 15, French, couloir
masculine noun
Record 15, Textual support, French
Record number: 15, Textual support number: 1 DEF
Ouverture derrière la lentille d'une caméra cinématographique ou d'un projecteur, à travers laquelle chaque image est exposée ou projetée. 2, record 15, French, - couloir%20du%20film
Record 15, Spanish
Record 15, Textual support, Spanish
Record 16 - internal organization data 2002-12-11
Record 16, English
Record 16, Subject field(s)
- Photography
Record 16, Main entry term, English
- close the lens
1, record 16, English, close%20the%20lens
correct
Record 16, Abbreviations, English
Record 16, Synonyms, English
Record 16, Textual support, English
Record number: 16, Textual support number: 1 DEF
To reduce the diaphragm opening of a camera lens in order to control the light quantity passing through it. 2, record 16, English, - close%20the%20lens
Record 16, French
Record 16, Domaine(s)
- Photographie
Record 16, Main entry term, French
- fermer l'objectif
1, record 16, French, fermer%20l%27objectif
correct
Record 16, Abbreviations, French
Record 16, Synonyms, French
Record 16, Textual support, French
Record number: 16, Textual support number: 1 DEF
Fermer le diaphragme d'un objectif, ce qui a pour effet de réduire la quantité de lumière passant par celui-ci. 2, record 16, French, - fermer%20l%27objectif
Record 16, Spanish
Record 16, Textual support, Spanish
Record 17 - internal organization data 2002-11-22
Record 17, English
Record 17, Subject field(s)
- Optical Instruments
- General Hardware
- Doors, Windows and Openings (Building Elements)
Record 17, Main entry term, English
- wide-angle door viewer
1, record 17, English, wide%2Dangle%20door%20viewer
correct
Record 17, Abbreviations, English
Record 17, Synonyms, English
- peeping hole 2, record 17, English, peeping%20hole
correct
- peep-hole 3, record 17, English, peep%2Dhole
correct
- wide angle viewer 3, record 17, English, wide%20angle%20viewer
correct
Record 17, Textual support, English
Record number: 17, Textual support number: 1 CONT
How to Protect your Home from Intruders ... It is advisable to have a wide angle viewer (peep-hole) in the door so that you can check a person’s identity without unlocking your door. 3, record 17, English, - wide%2Dangle%20door%20viewer
Record number: 17, Textual support number: 2 CONT
To avoid opening a door without knowing who is in front of it, a peeping hole should be installed. This device has a wide angle lens enabling one to see the person standing on the other side before opening the door. 2, record 17, English, - wide%2Dangle%20door%20viewer
Record number: 17, Textual support number: 1 OBS
Gives a clear one way view of caller. Fits up to 2 1/4" doors. Optical glass viewer, brass-color frame. Easily installed. 1, record 17, English, - wide%2Dangle%20door%20viewer
Record number: 17, Textual support number: 2 OBS
See record "door viewer; through the door viewer/microviseur; judas optique". 4, record 17, English, - wide%2Dangle%20door%20viewer
Record 17, French
Record 17, Domaine(s)
- Instruments d'optique
- Quincaillerie générale
- Ouvertures (Éléments du bâtiment)
Record 17, Main entry term, French
- microviseur à très grand champ de vision
1, record 17, French, microviseur%20%C3%A0%20tr%C3%A8s%20grand%20champ%20de%20vision
correct, masculine noun
Record 17, Abbreviations, French
Record 17, Synonyms, French
- microviseur grand angulaire 2, record 17, French, microviseur%20grand%20angulaire
proposal, masculine noun
- judas optique grand angulaire 2, record 17, French, judas%20optique%20grand%20angulaire
proposal, masculine noun
Record 17, Textual support, French
Record number: 17, Textual support number: 1 OBS
Judas microviseur de porte permet de bien voir sans être vu. Pour portes jusqu'à 2 1/4" d'épais. Lentille grand angle; monture ton laiton. 3, record 17, French, - microviseur%20%C3%A0%20tr%C3%A8s%20grand%20champ%20de%20vision
Record number: 17, Textual support number: 2 OBS
Voir la fiche "microviseur; judas optique/door viewer". 2, record 17, French, - microviseur%20%C3%A0%20tr%C3%A8s%20grand%20champ%20de%20vision
Record 17, Key term(s)
- judas de porte
Record 17, Spanish
Record 17, Textual support, Spanish
Record 18 - internal organization data 2002-10-09
Record 18, English
Record 18, Subject field(s)
- Photography
Record 18, Main entry term, English
- maximum lens opening
1, record 18, English, maximum%20lens%20opening
correct
Record 18, Abbreviations, English
Record 18, Synonyms, English
- maximum lens aperture 2, record 18, English, maximum%20lens%20aperture
correct
Record 18, Textual support, English
Record number: 18, Textual support number: 1 CONT
The maximum lens aperture is important because it indicates the largest amount of light that the lens will transmit. 2, record 18, English, - maximum%20lens%20opening
Record 18, French
Record 18, Domaine(s)
- Photographie
Record 18, Main entry term, French
- ouverture maximale du diaphragme
1, record 18, French, ouverture%20maximale%20du%20diaphragme
correct, feminine noun
Record 18, Abbreviations, French
Record 18, Synonyms, French
- ouverture de diaphragme maximum 2, record 18, French, ouverture%20de%20diaphragme%20maximum
correct, feminine noun
Record 18, Textual support, French
Record number: 18, Textual support number: 1 DEF
La plus grande ouverture possible [...] formée par l'iris du diaphragme [d'un appareil photo]. 1, record 18, French, - ouverture%20maximale%20du%20diaphragme
Record 18, Spanish
Record 18, Textual support, Spanish
Record 19 - internal organization data 1994-01-28
Record 19, English
Record 19, Subject field(s)
- Photography
Record 19, Main entry term, English
- iris
1, record 19, English, iris
correct
Record 19, Abbreviations, English
Record 19, Synonyms, English
Record 19, Textual support, English
Record number: 19, Textual support number: 1 DEF
In photography, the adjustable opening on a camera lens that controls the amount of light entering the camera. 1, record 19, English, - iris
Record 19, French
Record 19, Domaine(s)
- Photographie
Record 19, Main entry term, French
- iris
1, record 19, French, iris
correct, masculine noun
Record 19, Abbreviations, French
Record 19, Synonyms, French
Record 19, Textual support, French
Record number: 19, Textual support number: 1 DEF
Ouverture circulaire à diamètre variable obtenue par un ensemble de lamelles réglables, utilisée comme élément de diaphragme [...] 1, record 19, French, - iris
Record 19, Spanish
Record 19, Textual support, Spanish
Record 20 - internal organization data 1991-08-29
Record 20, English
Record 20, Subject field(s)
- Optical Instruments
- Photography
Record 20, Main entry term, English
- auto-iris lens 1, record 20, English, auto%2Diris%20lens
Record 20, Abbreviations, English
Record 20, Synonyms, English
Record 20, Textual support, English
Record number: 20, Textual support number: 1 DEF
A lens in which the Iris is motor driven. The lens opening is dictated by the camera which tries to maintain an optimum picture by telling the lens to open more in the dark and close down in higher light levels. If the light level is constant then a fixed Iris lens is recommended(much cheaper). 1, record 20, English, - auto%2Diris%20lens
Record number: 20, Textual support number: 1 OBS
A required element in a CCD camera (based on source a) 2, record 20, English, - auto%2Diris%20lens
Record 20, French
Record 20, Domaine(s)
- Instruments d'optique
- Photographie
Record 20, Main entry term, French
- objectif à diaphragme automatique
1, record 20, French, objectif%20%C3%A0%20diaphragme%20automatique
masculine noun
Record 20, Abbreviations, French
Record 20, Synonyms, French
Record 20, Textual support, French
Record number: 20, Textual support number: 1 DEF
Objectif dont le diaphragme est actionné par un moteur. L'ouverture du diaphragme est réglée par la caméra de façon à maintenir la meilleure image possible. La caméra commande une ouverture plus ou moins grande, en rapport inverse avec l'intensité de la lumière. Si l'intensité de la lumière est constante, nous recommandons un objectif à diaphragme fixe (beaucoup moins cher). 1, record 20, French, - objectif%20%C3%A0%20diaphragme%20automatique
Record number: 20, Textual support number: 1 OBS
Auto iris/diaphragme automatique. 2, record 20, French, - objectif%20%C3%A0%20diaphragme%20automatique
Record 20, Spanish
Record 20, Textual support, Spanish
Record 21 - internal organization data 1987-07-23
Record 21, English
Record 21, Subject field(s)
- Optical Instruments
- Scientific Instruments
Record 21, Main entry term, English
- goldfoil aperture
1, record 21, English, goldfoil%20aperture
correct
Record 21, Abbreviations, English
Record 21, Synonyms, English
Record 21, Textual support, English
Record number: 21, Textual support number: 1 OBS
Tiny aperture or opening within a sheet of gold foil, which is placed in the objective lens to serve as a diaphragm in a transmission electron microscope. Source : Electron Microscope Centre, Agriculture Canada. 2, record 21, English, - goldfoil%20aperture
Record 21, French
Record 21, Domaine(s)
- Instruments d'optique
- Instruments scientifiques
Record 21, Main entry term, French
- diaphragme à feuille d'or
1, record 21, French, diaphragme%20%C3%A0%20feuille%20d%27or
correct, masculine noun
Record 21, Abbreviations, French
Record 21, Synonyms, French
Record 21, Textual support, French
Record number: 21, Textual support number: 1 OBS
Les microscopes usuels possèdent le plus souvent dans l'objectif un porte-diaphragme muni de trois diaphragmes qui peuvent être introduits et centrés séparément (...). [On utilise] de plus en plus souvent des diaphragmes dits "autonettoyants" à feuille métallique très mince; ces derniers sont généralement constitués d'or (...). 2, record 21, French, - diaphragme%20%C3%A0%20feuille%20d%27or
Record 21, Spanish
Record 21, Textual support, Spanish
Record 22 - internal organization data 1985-07-30
Record 22, English
Record 22, Subject field(s)
- Cinematography
Record 22, Main entry term, English
- lens opening ring 1, record 22, English, lens%20opening%20ring
Record 22, Abbreviations, English
Record 22, Synonyms, English
Record 22, French
Record 22, Domaine(s)
- Cinématographie
Record 22, Main entry term, French
- bague d'ouverture de l'objectif
1, record 22, French, bague%20d%27ouverture%20de%20l%27objectif
feminine noun
Record 22, Abbreviations, French
Record 22, Synonyms, French
Record 22, Textual support, French
Record 22, Spanish
Record 22, Textual support, Spanish
Record 23 - internal organization data 1983-08-22
Record 23, English
Record 23, Subject field(s)
- Photography
Record 23, Main entry term, English
- diaphragm ring 1, record 23, English, diaphragm%20ring
Record 23, Abbreviations, English
Record 23, Synonyms, English
Record 23, Textual support, English
Record number: 23, Textual support number: 1 OBS
after the exposure the diaphragm ring is turned back again to the full lens opening. 1, record 23, English, - diaphragm%20ring
Record 23, French
Record 23, Domaine(s)
- Photographie
Record 23, Main entry term, French
- bague des ouvertures 1, record 23, French, bague%20des%20ouvertures
Record 23, Abbreviations, French
Record 23, Synonyms, French
Record 23, Textual support, French
Record number: 23, Textual support number: 1 OBS
(...) la bague des ouvertures (bague du haut) est à f/8, ouverture du diaphragme à laquelle on se propose de photographier. 1, record 23, French, - bague%20des%20ouvertures
Record 23, Spanish
Record 23, Textual support, Spanish
Record 24 - internal organization data 1979-03-05
Record 24, English
Record 24, Subject field(s)
- Optics
- Photography
Record 24, Main entry term, English
- filter factor
1, record 24, English, filter%20factor
correct
Record 24, Abbreviations, English
Record 24, Synonyms, English
- exposure factor 2, record 24, English, exposure%20factor
Record 24, Textual support, English
Record number: 24, Textual support number: 1 CONT
Because filters subtract some of the light passing through the lens, you need to increase either your exposure time or the lens opening to make up for this loss of light. The number by which you must multiply the exposure you would use without a filter is called the filter factor. 1, record 24, English, - filter%20factor
Record 24, French
Record 24, Domaine(s)
- Optique
- Photographie
Record 24, Main entry term, French
- coefficient d'un filtre
1, record 24, French, coefficient%20d%27un%20filtre
correct
Record 24, Abbreviations, French
Record 24, Synonyms, French
- coefficient d'exposition 2, record 24, French, coefficient%20d%27exposition
correct
- coefficient 3, record 24, French, coefficient
correct
Record 24, Textual support, French
Record number: 24, Textual support number: 1 CONT
On appelle coefficient d'un filtre le nombre par lequel il convient de multiplier le temps de pose qui donne, en lumière libre, une bonne image pour obtenir, en lumière filtrée, une image de même densité. 1, record 24, French, - coefficient%20d%27un%20filtre
Record 24, Spanish
Record 24, Textual support, Spanish
Record 25 - internal organization data 1975-03-11
Record 25, English
Record 25, Subject field(s)
- Photography
Record 25, Main entry term, English
- simple drop shutter 1, record 25, English, simple%20drop%20shutter
Record 25, Abbreviations, English
Record 25, Synonyms, English
Record 25, Textual support, English
Record number: 25, Textual support number: 1 CONT
Simple drop shutter; the plate slides down under its own weight and uncovers the lens opening. 1, record 25, English, - simple%20drop%20shutter
Record 25, French
Record 25, Domaine(s)
- Photographie
Record 25, Main entry term, French
- obturateur à guillotine rectiligne simple
1, record 25, French, obturateur%20%C3%A0%20guillotine%20rectiligne%20simple
masculine noun
Record 25, Abbreviations, French
Record 25, Synonyms, French
Record 25, Textual support, French
Record number: 25, Textual support number: 1 OBS
L'un des premiers obturateurs comprenait une lamelle de bois [...] En libérant le cliquet d'immobilisation [...] la lamelle [descendait] sous l'effet de la pesanteur. [...] Ce modèle [est] dit «à guillotine rectiligne simple» 1, record 25, French, - obturateur%20%C3%A0%20guillotine%20rectiligne%20simple
Record 25, Spanish
Record 25, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified:


