TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ROOF PRISM [4 records]

Record 1 2013-12-10

English

Subject field(s)
  • Lithography, Offset Printing and Collotype

French

Domaine(s)
  • Lithographie, offset et phototypie

Spanish

Save record 1

Record 2 2000-07-12

English

Subject field(s)
  • Optics
  • Optical Glass
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 ...

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.

French

Domaine(s)
  • Optique
  • Verres d'optique
Key term(s)
  • redresseur en toit
  • redresseur à vision directe

Spanish

Save record 2

Record 3 1985-06-17

English

Subject field(s)
  • Range Measurements (Telecommunications)

French

Domaine(s)
  • Mesures à distance (Télécommunications)

Spanish

Save record 3

Record 4 1975-03-11

English

Subject field(s)
  • Photography
  • Optical Instruments
  • Optics
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

French

Domaine(s)
  • Photographie
  • Instruments d'optique
  • Optique
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.

Spanish

Save record 4

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