TERMIUM Plus®

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LUMIERE TANGENTIELLE [2 records]

Record 1 1989-11-22

English

Subject field(s)
  • Optics
  • Police
OBS

The technique consists of illuminating the document to be analysed, in the absence of any ambient light, by means of a thin beam of light practically parallel to its surface, or at a very slight angle (20 degrees).

French

Domaine(s)
  • Optique
  • Police
OBS

La technique consiste à éclairer le document soumis à l'examen, en l'absence de lumière ambiante, au moyen d'un pinceau lumineux pratiquement parallèle à sa surface ou sous une incidence très faible (20 degrés d'arc).

OBS

Tiré de la Gazette de la GRC.

Spanish

Save record 1

Record 2 1985-10-10

English

Subject field(s)
  • Photography
CONT

... arranging to take photographs using a variety of lighting techniques, including U.V., infrared and raking light photography to record the pre-restauration condition of items.

Key term(s)
  • low angled light
  • tangential light
  • low angled lighting
  • tangential lighting
  • raking lighting
  • raking texture light

French

Domaine(s)
  • Photographie
CONT

La lumière tangentielle ou éclairage de côté souligne les moindres reliefs du sujet: les ombres s'allongent révélant la structure de la matière dont est fait l'objet. (...) La direction de la lumière: 1. Lumière de pleine face 2. Lumière frontale 3. Lumière à 45 degrés 4. Lumière de côté 5. Semi-contre-jour.

Key term(s)
  • éclairage tangentiel
  • éclairage balayant

Spanish

Save record 2

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