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LENS METER [6 records]

Record 1 2017-04-27

English

Subject field(s)
  • Photography
DEF

Exposure meter built into a camera which determines or controls the lens aperture to provide proper exposure.

French

Domaine(s)
  • Photographie
DEF

Posemètre incorporé dans l'appareil photographique et qui détermine ou modifie l'ouverture de diaphragme afin d'obtenir l'exposition correcte.

Spanish

Save record 1

Record 2 2011-02-20

English

Subject field(s)
  • Optics
  • The Eye

French

Domaine(s)
  • Optique
  • Oeil
DEF

Instrument d'optique destiné à déterminer la puissance frontale, la direction de l'axe et la position du centre optique d'un verre ophtalmique.

OBS

Source MVISI-F : Le nouveau dictionnaire de la vision par Michel Millodot, Médiacom Vision Éditeur, 1997.

Spanish

Save record 2

Record 3 2007-07-09

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Aquariums and Fishkeeping (Hobbies)
CONT

lens diaphragm coupling : Built-in meter coupling lever for Nikkor lenses capable of automatic maximum aperture indexing with maximum apertures of from f/1. 2 to f/5. 6; meter/diaphragm coupling of from f/1. 2 to f/32 provided.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Aquariophilie (Passe-temps)

Spanish

Save record 3

Record 4 2007-07-09

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Photography
DEF

An exposure meter [that] measures the light Through the Taking Lens of the camera, thus automatically allowing for changes of image angle with lenses of different focal length or at different focusing positions, changes of transmission due to the use of filters, close-up exposure factors, etc.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Photographie
DEF

[Posemètre] mesurant la lumière qui traverse l'objectif afin de régler l'exposition.

OBS

TTL est l'abréviation anglaise de «through the taking lens» ou «through the lens».

Spanish

Save record 4

Record 5 2004-09-09

English

Subject field(s)
  • Photography
DEF

Reading the light metering through the camera lens with the aperture set at the position that it’ll be at when the photo is taken.

CONT

Fortunately, you can still meter using the stopped-down metering approach on most cameras. By pressing a depth-of-field button, the camera is placed into stopped-down metering mode too. The lens is stopped down to the taking aperture automatically on some adapters. On T-mount and other purely mechanical mounts, you may have to turn the aperture ring to the desired taking aperture. In either case, the camera is now metering at the actual stopped down aperture. You can set the shutter speed and aperture as desired, based on your meter reading.

French

Domaine(s)
  • Photographie
OBS

[...] si, face à une source lumineuse, on applique à l'arrière de l'objectif un verre dépoli, il se forme sur ce dernier un cercle lumineux dont le diamètre est l'ouverture utile dite aussi ouverture mécanique.

Spanish

Save record 5

Record 6 2003-12-16

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Photography
DEF

A camera with a built-in exposure meter that automatically adjusts the lens opening, shutter speed, or both for proper exposure.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Photographie
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.

Spanish

Save record 6

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