TERMIUM Plus®

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INCIDENT LIGHT METER [2 records]

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Alphabetical list of terms

Record 1 2004-05-10

English

Subject field(s)
  • Photography
CONT

The incident light reading is technically more accurate than reflected light reading because it involves measurement of the brightness of the illuminating source, regardless of the subject. A reflected light reading is taken from camera position, but an incident light reading involves aiming the meter, fitted with an incident light adapter, toward the light source from subject position. On this basis, subjects reproduce as dark or light in the picture according to their natural reflectivity.

OBS

This method is best for color reversal work or the photography of very dark or light subjects.

French

Domaine(s)
  • Photographie
CONT

La mesure en lumière incidente est théoriquement plus précise que celle en lumière réfléchie, puisque ne tenant compte que de la lumière frappant le sujet; elle est effectuée en se plaçant contre le sujet principal et en dirigeant le posemètre -- coiffé d'un cône diffuseur -- vers l'objectif de l'appareil. La mesure ne tenant pas compte de la valeur claire ou foncée du sujet, celui-ci est traduit par une densité d'image correspondant à sa réflectance.

Spanish

Save record 1

Record 2 1980-07-09

English

Subject field(s)
  • Photography
OBS

Incident-light meters measure the light that falls on the subject instead of the light that subject gives off (...) It receives light from the same direction and in the same intensity as the subject does, and translates it into an average "middle-gray" exposure setting.

Key term(s)
  • incident meter

French

Domaine(s)
  • Photographie
OBS

Comment se servir d'un posemètre à lumière incidente: Placez-vous près du sujet et dirigez votre cellule vers l'appareil. Rappelez-vous que seule l'ambiance lumineuse qui règne autour de votre sujet joue un rôle important.

Spanish

Save record 2

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