TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 OBS

In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane.  2, record 1, English, - projector%20aperture

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 OBS

L'ouverture d’un objectif photographique est le réglage qui permet d’ajuster le diamètre d’ouverture du diaphragme.  2, record 1, French, - ouverture%20du%20projecteur

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

Exposure meter built into a camera which determines or controls the lens aperture to provide proper exposure.  1, record 2, English, - electric%20eye

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

Posemètre incorporé dans l'appareil photographique et qui détermine ou modifie l'ouverture de diaphragme afin d’obtenir l'exposition correcte.  1, record 2, French, - %26oelig%3Bil%20%C3%A9lectrique

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 OBS

Data Backs D and G replaces the backs on the [Minolta] XD-11, XD-5 and XG-1. They imprint data in the forms of dates and letters of the alphabet on the film at the moment of exposure.  1, record 3, English, - data%20back

Record number: 3, Textual support number: 2 OBS

multi-function back: A particularly intriguing accessory for the [Minolta] X-700 is the multi-function back. This device, which can quickly replace the standard back, combines the functions of a conventional data-imprinting back with those of an intervalometer. In the data-back mode (designated "FI"), the unit can display, and imprint if desired, six digits of information. The choices are: hours/minutes/seconds, year/month/day, month/year/day, day/month/year, any preset number from 1 to 999,999, any series of numerals advancing by one number per exposure, or no display.  2, record 3, English, - data%20back

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 OBS

Dos dateur : se fixe à la place du dos d’origine. [...] Affichage des données par trois disques : année(ou ouverture du diaphragme), mois(ou vitesse d’obturation) ou repère de A à M, jour(ou numéro de la vue de 1 à 36).  1, record 3, French, - dos%20dateur

Record number: 3, Textual support number: 2 OBS

Si le terme dos dateur est le plus utilisé, on rencontre aussi les expressions suivantes : «dos horodateur», «dos enregistreur de données» et «dos marqueur».  2, record 3, French, - dos%20dateur

Record number: 3, Textual support number: 3 OBS

dos enregistreur de données : Chinon Info Back DB 010 [...] Un clavier à 40 touches permet d’inscrire un texte de 30 caractères ou espaces à la base de chaque cliché. Signal sonore à chaque caractère, double à partir du 26ième pour avertir de l’imminence de la saturation. Mise en mémoire des données. Impression manuelle (non synchronisée) avant ou après l’exposition [...] Ce dos enregistreur de données s’adapte à tous les boîtiers Chinon de la série 4.  1, record 3, French, - dos%20dateur

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 CONT

We measure light at shooting aperture by closing the diaphragm down to the right aperture, while looking at the meter needle.  1, record 4, English, - at%20shooting%20aperture

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 CONT

On mesure la lumière à ouverture réelle en fermant le diaphragme jusqu'à l'ouverture correcte, tout en surveillant l'aiguille du posemètre.  1, record 4, French, - %C3%A0%20ouverture%20r%C3%A9elle

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 OBS

This ring is a part of the lens, and is used to set the right aperture.  2, record 5, English, - aperture%20control%20ring

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 DEF

Bague faisant partie de l'objectif, et servant à régler l'ouverture du diaphragme.  2, record 5, French, - bague%20de%20diaphragme

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

[A] system of exposure setting in a camera, in which the electric current produced or inhibited by the action of light on a photoelectric cell operates a mechanism that adjusts the aperture and/or the shutter speed automatically.  2, record 6, English, - automatic%20exposure%20control

Record number: 6, Textual support number: 1 OBS

automatic exposure control: term used at Natural Resources Canada - Earth Sciences Sector.  3, record 6, English, - automatic%20exposure%20control

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 OBS

exposition automatique : Mode par lequel un appareil photo règle automatiquement la vitesse d’obturation et l'ouverture du diaphragme.  2, record 6, French, - r%C3%A9glage%20automatique%20de%20l%27exposition

Record number: 6, Textual support number: 2 OBS

réglage automatique de l’exposition : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.  3, record 6, French, - r%C3%A9glage%20automatique%20de%20l%27exposition

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

The reciprocal of twice the exposure, expressed in meter candle seconds, at the point on the toe of the characteristic curve where the slope equals 0.6 gamma when recommended processing conditions are used.  2, record 7, English, - aerial%20exposure%20index

Record number: 7, Textual support number: 1 OBS

exposure index: Number assigned to a photographic material. ... Used to determine the appropriate exposure under different lighting conditions when using correspondingly calibrated exposure meters or exposure tables.  4, record 7, English, - aerial%20exposure%20index

Record number: 7, Textual support number: 2 OBS

aerial exposure index; AEI: term and abbreviation used at Natural Resources Canada - Earth Sciences Sector.  5, record 7, English, - aerial%20exposure%20index

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 DEF

Sensibilité d’une émulsion pour la photographie aérienne.  1, record 7, French, - indice%20d%27exposition%20a%C3%A9rien

Record number: 7, Textual support number: 1 OBS

indice d’exposition : Indice exprimant le rapport de la durée de l'exposition et de l'ouverture du diaphragme.  4, record 7, French, - indice%20d%27exposition%20a%C3%A9rien

Record number: 7, Textual support number: 2 OBS

indice d’exposition aérienne; IEA : terme et abréviation en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.  5, record 7, French, - indice%20d%27exposition%20a%C3%A9rien

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 DEF

the aperture in the iris, normally circular and contractile, through which the image-forming light enters the eye.  2, record 8, English, - pupil

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 CONT

la choroïde [...] Sa partie antérieure est plane et forme derrière la cornée un diaphragme, l'iris, qui délimite en son centre une ouverture de dimensions variables, la pupille.  2, record 8, French, - pupille

Record 8,  Textual support,  Spanish

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 DEF

A graduated surface found on a camera ring on which diaphragm f/numbers are inscribed.  3, record 9, English, - diaphragm%20scale

Record 9,  Textual support,  French

Record number: 9, Textual support number: 1 DEF

Surface graduée d’une bague d’appareil-photo sur laquelle sont gravés les nombres d’ouverture du diaphragme.  3, record 9, French, - %C3%A9chelle%20de%20diaphragme

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  English

Record number: 10, Textual support number: 1 DEF

A number that corresponds to a diaphragm aperture rate.  3, record 10, English, - aperture%20value

Record 10,  Textual support,  French

Record number: 10, Textual support number: 1 DEF

Indication numérique correspondant au degré d’ouverture du diaphragme.  2, record 10, French, - valeur%20du%20diaphragme

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  English

Record number: 11, Textual support number: 1 DEF

A camera adjustment allowing the selection of various diaphragm apertures that automatically combine with the corresponding shutter speeds.  2, record 11, English, - speed%2Ddiaphragm%20coupling

Record 11,  Textual support,  French

Record number: 11, Textual support number: 1 DEF

Réglage pour appareil-photo permettant de choisir une ouverture de diaphragme, laquelle se jumèlera automatiquement avec la vitesse d’obturation correspondante.  2, record 11, French, - couplage%20diaphragme%2Dvitesse

Record 11,  Textual support,  Spanish

Record 12,  Textual support,  English

Record number: 12, Textual support number: 1 DEF

A mechanism found on camera lenses that allows focusing using the widest diaphragm aperture and then go back to the selected opening for shooting.  2, record 12, English, - preselector

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 DEF

Dispositif équipant un objectif d’appareil-photo qui permet de faire la mise au point en utilisant la plus grande ouverture du diaphragme et de passer ensuite directement à l'ouverture choisie pour la prise de vue, sans nécessité de lire le diaphragme.  3, record 12, French, - pr%C3%A9s%C3%A9lecteur

Record 12,  Textual support,  Spanish

Record 13,  Textual support,  English

Record number: 13, Textual support number: 1 OBS

Aperture: Opening of a lens which controls the amount of light that passes to the photographic material, measured in "f" [focal] numbers.  4, record 13, English, - lens%20aperture

Record 13,  Textual support,  French

Record number: 13, Textual support number: 1 DEF

Ouverture formée par l'iris du diaphragme à l'intérieur de la lentille.  1, record 13, French, - ouverture%20de%20diaphragme

Record number: 13, Textual support number: 1 OBS

Cette ouverture peut être agrandie ou rapetissée par le biais d’un système autofocus ou par contrôle manuel.  1, record 13, French, - ouverture%20de%20diaphragme

Record 13,  Textual support,  Spanish

Record 14,  Textual support,  English

Record number: 14, Textual support number: 1 DEF

[A] shutter built into the [camera] lens ...  1, record 14, English, - lens%20shutter

Record number: 14, Textual support number: 1 OBS

The lens shutter may be built between the lenses, close to the diaphragm, or either in front or in the back of the lens.  2, record 14, English, - lens%20shutter

Record 14,  Textual support,  French

Record number: 14, Textual support number: 1 DEF

Obturateur à ouverture centrale, placé soit entre les lentilles, près du diaphragme, soit devant ou derrière l'objectif.  1, record 14, French, - obturateur%20central

Record 14,  Textual support,  Spanish

Record 15,  Textual support,  English

Record number: 15, Textual support number: 1 DEF

The largest lens opening [smallest f-number] at which a lens can be set.  2, record 15, English, - lens%20speed

Record number: 15, Textual support number: 1 CONT

Lens speed is determined by the maximum aperture of the lens (the largest lens opening or the smallest f-number) in relation to it's focal length. The "speed" of a lens is relative, a 400 mm lens with a maximum aperture of f/3.5 is considered extremely fast, while a 28mm f/3.5 lens is thought to be relatively slow.  3, record 15, English, - lens%20speed

Record number: 15, Textual support number: 1 OBS

A "fast" lens transmits more light and has a larger opening than a "slow" lens.  2, record 15, English, - lens%20speed

Record 15,  Textual support,  French

Record number: 15, Textual support number: 1 DEF

La plus grande ouverture [...] sur laquelle on peut régler l'objectif grâce au diaphragme.  1, record 15, French, - clart%C3%A9%20d%27un%20objectif

Record number: 15, Textual support number: 1 OBS

Un objectif «clair» transmet plus de lumière et a une ouverture plus grande qu’un objectif de petite ouverture.  1, record 15, French, - clart%C3%A9%20d%27un%20objectif

Record number: 15, Textual support number: 2 OBS

Caractéristiques d’un objectif. [...] Sa luminosité. C’est sa capacité à absorber et restituer la luminosité de votre scène. La luminosité ou ouverture se caractérise par le sigle «f» et un chiffre, plus le chiffre est petit (ex : 1.4 ou 1.8) plus votre objectif est lumineux. Plus un objectif est lumineux plus il autorise des vitesses élevées, une profondeur de champs restreinte donc de très jolis flous et plus son prix augmente.  2, record 15, French, - clart%C3%A9%20d%27un%20objectif

Record 15,  Textual support,  Spanish

Record 16,  Textual support,  English

Record number: 16, Textual support number: 1 DEF

[To] increase the opening of [a] diaphragm to permit more light into the camera.  1, record 16, English, - open%20up%20a%20lens

Record number: 16, Textual support number: 1 OBS

The Dictionary of New Media is available at: <a href="http://hepdigital.com/" title="http://hepdigital.com">http://hepdigital.com</a>.  4, record 16, English, - open%20up%20a%20lens

Record 16,  Textual support,  French

Record number: 16, Textual support number: 1 DEF

Augmenter l'ouverture du diaphragme d’un appareil-photo ou d’une caméra afin de laisser plus de lumière pénétrer à l'intérieur.  2, record 16, French, - ouvrir%20le%20diaphragme

Record 16,  Textual support,  Spanish

Record 17,  Textual support,  English

Record number: 17, Textual support number: 1 DEF

The zone in which the depth of field of a given lens and aperture show details (shallow or deep) in a shot.  2, record 17, English, - field%20of%20sharpness

Record number: 17, Textual support number: 1 CONT

A few elements that will affect depth of field in a picture: ... the focal length of the lens (the wide angle lenses have extended field of sharpness than a longer focal length lenses and vice versa) ...  1, record 17, English, - field%20of%20sharpness

Record 17,  Textual support,  French

Record number: 17, Textual support number: 1 DEF

Zone d’une image dans laquelle sont représentés les détails occasionnés par la profondeur de champ et dont la netteté varie selon l’objectif et l’ouverture utilisés.  2, record 17, French, - champ%20de%20nettet%C3%A9

Record number: 17, Textual support number: 1 CONT

L'ouverture du diaphragme est déterminée par la profondeur de champ désirée; plus le diaphragme sera fermé, plus grand sera le champ fournissant des images nettes. La profondeur de champ net dépend aussi de l'objectif utilisé : plus l'objectif est court, plus le champ de netteté est grand; le téléobjectif réduisant cette profondeur de champ implique donc un réglage soigné.  3, record 17, French, - champ%20de%20nettet%C3%A9

Record 17,  Textual support,  Spanish

Record 18,  Textual support,  English

Record number: 18, Textual support number: 1 DEF

A circuit fitted to the lens iris which allows the aperture of the lens to automatically adjust to varying light levels, providing a constant picture.  4, record 18, English, - automatic%20iris

Record 18,  Textual support,  French

Record number: 18, Textual support number: 1 DEF

Contrôle automatique qui asservit l'ouverture du diaphragme de la caméra à l'amplitude du signal vidéo analysé.  1, record 18, French, - auto%2Diris

Record 18,  Textual support,  Spanish

Record 19,  Textual support,  English

Record number: 19, Textual support number: 1 CONT

The maximum lens aperture is important because it indicates the largest amount of light that the lens will transmit.  2, record 19, English, - maximum%20lens%20opening

Record 19,  Textual support,  French

Record number: 19, Textual support number: 1 DEF

La plus grande ouverture possible [...] formée par l'iris du diaphragme [d’un appareil photo].  1, record 19, French, - ouverture%20maximale%20du%20diaphragme

Record 19,  Textual support,  Spanish

Record 20,  Textual support,  English

Record number: 20, Textual support number: 1 CONT

The simplest mode of determining exposure with a built-in meter is a match-needle system. In this system the shutter speed is first chosen and then the aperture setting is selected by opening the aperture until a needle in the viewfinder matches the shutter speed. Also useful is an aperture preferred form of semi-automatic exposure control, in which the aperture is chosen to assure depth-of-field. The camera automatically selects the correct shutter speed.  1, record 20, English, - semi%2Dautomatic%20exposure%20control

Record 20,  Textual support,  French

Record number: 20, Textual support number: 1 OBS

Exposition semi-automatique : mode par lequel se règle automatiquement la vitesse d’obturation(priorité obturation) quand l'utilisateur a choisi l'ouverture du diaphragme ou l'inverse, c'est-à-dire que l'appareil photo règle automatiquement l'ouverture di diaphragme(priorité vitesse) quand l'utilisateur a lui-même choisi une vitesse d’obturation.  2, record 20, French, - r%C3%A9glage%20semi%2Dautomatique%20de%20l%27exposition

Record 20,  Textual support,  Spanish

Record 21,  Textual support,  English

Record number: 21, Textual support number: 1 CONT

Bracketing is carrying out a procedure to the normal degree and to greater and lesser degrees for purposes of testing or to ensure satisfactory results under unfamiliar conditions. The most common example of bracketing is in the exposing of film. In addition to the normal, or meter-indicated exposure, greater and lesser exposures are made at consistent intervals. It is common to bracket negative films in one-stop intervals ...  1, record 21, English, - bracket

Record 21,  Textual support,  French

Record number: 21, Textual support number: 1 CONT

prendre en fourchette : souvent il peut arriver que l'on ne soit pas certain de la justesse des données du POSEMÈTRE et qu'on veuille augmenter les chances de réussite. Dans ce cas, il faut prendre au moins trois prises de vues en variant la vitesse ou l'ouverture du diaphragme. Ainsi, pour une lecture de posemètre de 1/125, f/8, on pourra procéder à trois expositions à 1/125 mais avec une ouverture de de f/5. 6, de f/8 et de f/11.  1, record 21, French, - prendre%20en%20fourchette

Record 21,  Textual support,  Spanish

Record 22,  Textual support,  English

Record number: 22, Textual support number: 1 DEF

Mode of microscope illumination [first described by A. Köhler] in which the light source is imaged onto the condenser iris diaphram and the field diaphram (in front of the lamp collector lens) is imaged by the condenser onto the plane of focus of the specimen.  2, record 22, English, - K%C3%B6hler%20illumination

Record number: 22, Textual support number: 1 CONT

Kohler illumination ... is the most widely used system of illuminating a specimen in photomicroscopy. It is the illuminating system that provides best image quality and illumination.  8, record 22, English, - K%C3%B6hler%20illumination

Record number: 22, Textual support number: 1 OBS

With Koehler illumination, the aperture and field can be regulated independently to provide maximum resolution and optimum contrast. Also, a field with uniform illumination is obtained, circumscribed by the image of the field diaphram.  2, record 22, English, - K%C3%B6hler%20illumination

Record 22,  Textual support,  French

Record number: 22, Textual support number: 1 DEF

En microscopie optique, système permettant d’éclairer l'objet d’une façon uniforme quel que soit le réglage du diaphragme d’ouverture.  1, record 22, French, - %C3%A9clairage%20de%20K%C3%B6hler

Record 22,  Textual support,  Spanish

Record 23,  Textual support,  English

Record number: 23, Textual support number: 1 DEF

A device that automatically opens the diaphragm when the camera is triggered.  3, record 23, English, - preselector%20diaphragm

Record 23,  Textual support,  French

Record number: 23, Textual support number: 1 DEF

Dispositif qui autorise l'ouverture automatique du diaphragme au moment du déclenchement.  2, record 23, French, - pr%C3%A9s%C3%A9lection%20du%20diaphragme

Record 23,  Textual support,  Spanish

Record 24,  Textual support,  English

Record number: 24, Textual support number: 1 DEF

In photography, the adjustable opening on a camera lens that controls the amount of light entering the camera.  1, record 24, English, - iris

Record 24,  Textual support,  French

Record number: 24, Textual support number: 1 DEF

Ouverture circulaire à diamètre variable obtenue par un ensemble de lamelles réglables, utilisée comme élément de diaphragme [...]  1, record 24, French, - iris

Record 24,  Textual support,  Spanish

Record 25,  Textual support,  English

Record number: 25, Textual support number: 1 DEF

System of movable overlapping metal or plastic leaves inside, behind, or in front of a lens which maintain a circular aperture of adjustable diameter. Adjusting this aperture controls the amount of light passing through the lens. So called by analogy with the eye.  2, record 25, English, - iris%20diaphragm

Record number: 25, Textual support number: 1 OBS

The various settings of the diaphragm are usually calibrated in relative apertures or f-numbers and are called stops.  2, record 25, English, - iris%20diaphragm

Record 25,  Textual support,  French

Record number: 25, Textual support number: 1 DEF

[Photographie] Diaphragme formé d’un ensemble de lamelles mobiles délimitant une ouverture approximativement circulaire dont le diamètre peut être ajusté de façon continue.  4, record 25, French, - diaphragme%20%C3%A0%20iris

Record 25,  Textual support,  Spanish

Record 26,  Textual support,  English

Record number: 26, Textual support number: 1 DEF

A lens in which the Iris is motor driven. The lens opening is dictated by the camera which tries to maintain an optimum picture by telling the lens to open more in the dark and close down in higher light levels. If the light level is constant then a fixed Iris lens is recommended (much cheaper).  1, record 26, English, - auto%2Diris%20lens

Record number: 26, Textual support number: 1 OBS

A required element in a CCD camera (based on source a)  2, record 26, English, - auto%2Diris%20lens

Record 26,  Textual support,  French

Record number: 26, Textual support number: 1 DEF

Objectif dont le diaphragme est actionné par un moteur. L'ouverture du diaphragme est réglée par la caméra de façon à maintenir la meilleure image possible. La caméra commande une ouverture plus ou moins grande, en rapport inverse avec l'intensité de la lumière. Si l'intensité de la lumière est constante, nous recommandons un objectif à diaphragme fixe(beaucoup moins cher).  1, record 26, French, - objectif%20%C3%A0%20diaphragme%20automatique

Record number: 26, Textual support number: 1 OBS

Auto iris/diaphragme automatique.  2, record 26, French, - objectif%20%C3%A0%20diaphragme%20automatique

Record 26,  Textual support,  Spanish

Record 27,  Textual support,  English

Record number: 27, Textual support number: 1 OBS

after the exposure the diaphragm ring is turned back again to the full lens opening.  1, record 27, English, - diaphragm%20ring

Record 27,  Textual support,  French

Record number: 27, Textual support number: 1 OBS

(...) la bague des ouvertures(bague du haut) est à f/8, ouverture du diaphragme à laquelle on se propose de photographier.  1, record 27, French, - bague%20des%20ouvertures

Record 27,  Textual support,  Spanish

Record 28,  Textual support,  English

Record number: 28, Textual support number: 1 OBS

To reduce the aperture of a photographic lens to increase the depth of focus and depth of field, or to control exposure.  1, record 28, English, - stop%20down

Record 28,  Textual support,  French

Record number: 28, Textual support number: 1 OBS

Diminuer l'ouverture d’un diaphragme d’objectif pour augmenter la profondeur de champ ou de foyer ou pour régler l'exposition.  1, record 28, French, - diaphragmer

Record 28,  Textual support,  Spanish

Record 29,  Textual support,  English

Record number: 29, Textual support number: 1 OBS

the pressure relief valve assembly consists of a control diaphragm, a calibrating spring (...)  1, record 29, English, - control%20diaphragm

Record 29,  Textual support,  French

Record number: 29, Textual support number: 1 OBS

l'ouverture du papillon est commandée par le déplacement du diaphragme de commande(...), taré par un ressort dans le sens fermeture.  1, record 29, French, - diaphragme%20de%20commande

Record 29,  Textual support,  Spanish

Record 30,  Textual support,  English

Record number: 30, Textual support number: 1 OBS

diaphragm, a light-control device usually made of overlap-ping --, forms an adjustable hole, or aperture.  1, record 30, English, - metal%20leaf

Record 30,  Textual support,  French

Record number: 30, Textual support number: 1 OBS

diaphragme qui permet de faire varier la quantité de lumière admise en diminuant l'ouverture(...) constitué par de minces--glissant l'une sur l'autre  1, record 30, French, - lamelle%20de%20m%C3%A9tal

Record 30,  Textual support,  Spanish

Record 31,  Textual support,  English

Record number: 31, Textual support number: 1 DEF

This is the diameter of the light beam reaching the lens from a distant object point along its axis, which passes through the edge of the limiting aperture.  1, record 31, English, - effective%20aperture

Record 31,  Textual support,  French

Record number: 31, Textual support number: 1 CONT

L'ouverture relative de l'objectif est le rapport géométrique existant entre la distance focale et le diamètre du faisceau lumineux parallèle à l'axe optique qui passe par le diaphragme(ou diamètre utile du diaphragme).  1, record 31, French, - diam%C3%A8tre%20utile%20du%20diaphragme

Record 31,  Textual support,  Spanish

Record 32,  Textual support,  English

Record number: 32, Textual support number: 1 OBS

The number of seconds or minutes it took to read this tint was measured by stop watch and a calculator converted this time into the correct exposure for any type of sensitive material.  1, record 32, English, - calculator

Record 32,  Textual support,  French

Record number: 32, Textual support number: 1 OBS

Le posemètre est complété par un disque calculateur qui permet de déterminer [...] les diverses combinaisons vitesse d’obturation ouverture de diaphragme que l'on peut employer.  1, record 32, French, - disque%20calculateur

Record 32,  Textual support,  Spanish