TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
ROOF PRISM [5 records]
Record 1 - internal organization data 2007-09-27
Record 1, English
Record 1, Subject field(s)
- Photography
Record 1, Main entry term, English
- prism viewfinder
1, record 1, English, prism%20viewfinder
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- prism finder 2, record 1, English, prism%20finder
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A roof prism or pentaprism viewfinder used on reflex cameras. 3, record 1, English, - prism%20viewfinder
Record number: 1, Textual support number: 1 OBS
prism finder: term confirmed in the Mamiya M645 AE Prism finder instruction manual. 4, record 1, English, - prism%20viewfinder
Record 1, French
Record 1, Domaine(s)
- Photographie
Record 1, Main entry term, French
- viseur prismatique
1, record 1, French, viseur%20prismatique
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- viseur à prisme 2, record 1, French, viseur%20%C3%A0%20prisme
correct, masculine noun
- viseur prisme 3, record 1, French, viseur%20prisme
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Viseur reflex à prisme en toit ou à pentaprisme. 1, record 1, French, - viseur%20prismatique
Record number: 1, Textual support number: 1 OBS
Avec un pentaprisme, l'image reçue sur le verre dépoli subit une double réflexion sur deux des faces du prisme. Un oculaire à lentille grossissante donne une image redressée horizontalement et verticalement. Dans certains reflex, l'oculaire a une puissance calculée, avec une focale normale, pour donner du sujet une image en grandeur réelle. Ce dispositif facilite la visée. 1, record 1, French, - viseur%20prismatique
Record number: 1, Textual support number: 2 OBS
viseur prisme : terme repéré dans le manuel d'utilisation du viseur prisme AE pour le Mamiya M645. 3, record 1, French, - viseur%20prismatique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2007-09-04
Record 2, English
Record 2, Subject field(s)
- Audiovisual Techniques and Equipment
- Photography
Record 2, Main entry term, English
- view finder prism
1, record 2, English, view%20finder%20prism
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- viewfinder prism 2, record 2, English, viewfinder%20prism
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A roof prism or pentaprism used on a reflex viewfinder. 3, record 2, English, - view%20finder%20prism
Record 2, French
Record 2, Domaine(s)
- Audiovisuel (techniques et équipement)
- Photographie
Record 2, Main entry term, French
- prisme de visée
1, record 2, French, prisme%20de%20vis%C3%A9e
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Prisme en toit ou pentaprisme d'un viseur reflex. 2, record 2, French, - prisme%20de%20vis%C3%A9e
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2007-07-09
Record 3, English
Record 3, Subject field(s)
- Audiovisual Techniques and Equipment
- Photography
Record 3, Main entry term, English
- slip-in exposure meter
1, record 3, English, slip%2Din%20exposure%20meter
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- slip-in light meter 2, record 3, English, slip%2Din%20light%20meter
proposal
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A reflex camera exposure meter contained in a roof prism attachment that is slipped onto the camera. 2, record 3, English, - slip%2Din%20exposure%20meter
Record 3, French
Record 3, Domaine(s)
- Audiovisuel (techniques et équipement)
- Photographie
Record 3, Main entry term, French
- posemètre amovible
1, record 3, French, posem%C3%A8tre%20amovible
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Posemètre destiné aux appareils reflex dépourvus de système intégré de mesure de pose, qui se glisse avec le bloc prisme interchangeable au sommet de l'appareil. 2, record 3, French, - posem%C3%A8tre%20amovible
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2000-07-12
Record 4, English
Record 4, Subject field(s)
- Optics
- Optical Glass
Record 4, Main entry term, English
- roof prism
1, record 4, English, roof%20prism
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
A complex prism unit which includes a pair of internally reflecting surfaces perpendicular to each other, thus resembling a roof externally. One type is the Amici prism... 1, record 4, English, - roof%20prism
Record number: 4, Textual support number: 1 CONT
... a roof prism consists of a right-angled prism whose hypotenuse surface is replaced by an internally reflecting roof, so that a beam entering one of the other faces perpendicularly will be reflected successively at both surfaces of the roof and emerge from the last surface in a direction perpendicular to the incident path to form an inverted image. 1, record 4, English, - roof%20prism
Record 4, French
Record 4, Domaine(s)
- Optique
- Verres d'optique
Record 4, Main entry term, French
- prisme en toit
1, record 4, French, prisme%20en%20toit
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Key term(s)
- redresseur en toit
- redresseur à vision directe
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1975-03-11
Record 5, English
Record 5, Subject field(s)
- Photography
- Optical Instruments
- Optics
Record 5, Main entry term, English
- pentaprism 1, record 5, English, pentaprism
Record 5, Abbreviations, English
Record 5, Synonyms, English
- roof prism 1, record 5, English, roof%20prism
- pentaprism unit 1, record 5, English, pentaprism%20unit
Record 5, Textual support, English
Record number: 5, Textual support number: 1 OBS
--a five-sided glass prism inserted between the focusing screen and the viewing eyepiece of an eye-level reflex camera. Also sometimes called roof prism(...) also pentaprism unit p. 1262 1, record 5, English, - pentaprism
Record 5, French
Record 5, Domaine(s)
- Photographie
- Instruments d'optique
- Optique
Record 5, Main entry term, French
- bloc pentaprisme 1, record 5, French, bloc%20pentaprisme
Record 5, Abbreviations, French
Record 5, Synonyms, French
- prisme-en-toit 1, record 5, French, prisme%2Den%2Dtoit
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
il faut viser en plaçant l'appareil à hauteur de poitrine ou plus bas. Cette solution, bon marché et trop simpliste, est remplacée par un --, communément désigné par prisme-en-toit. 1, record 5, French, - bloc%20pentaprisme
Record 5, Spanish
Record 5, 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: