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MIRRORED LENS [2 records]
Record 1 - internal organization data 2015-04-08
Record 1, English
Record 1, Subject field(s)
- Optical Glass
- Photography
Record 1, Main entry term, English
- mirror lens
1, record 1, English, mirror%20lens
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- catadioptric lens 1, record 1, English, catadioptric%20lens
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Mirror lenses have no diaphragm; light transmission is regulated by filters built into the rear of the lens, or by varying the shutter speed. Because of its reflecting design and the different types of mirrored surfaces used to transmit the light, most mirror lenses will transmit up to a full f-stop less light to the film plane than their rated speed. 1, record 1, English, - mirror%20lens
Record 1, French
Record 1, Domaine(s)
- Verres d'optique
- Photographie
Record 1, Main entry term, French
- objectif catadioptrique
1, record 1, French, objectif%20catadioptrique
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- objectif à miroir 2, record 1, French, objectif%20%C3%A0%20miroir
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'objectif catadioptrique [...] consiste essentiellement en une combinaison de lentilles et de miroirs d'où la lumière est projetée par réfraction d'une lentille sur un réflecteur interne, pour être ensuite projetée vers le plan focal, selon une espèce de trajectoire que l'on pourrait décrire comme étant en forme de zigzag. 1, record 1, French, - objectif%20catadioptrique
Record number: 1, Textual support number: 2 CONT
L'un des désavantages (typiques) des objectifs catadioptriques est l'absence de diaphragme. 1, record 1, French, - objectif%20catadioptrique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1999-10-22
Record 2, English
Record 2, Subject field(s)
- Optics
Record 2, Main entry term, English
- flash lenses
1, record 2, English, flash%20lenses
correct, plural
Record 2, Abbreviations, English
Record 2, Synonyms, English
- mirrored lenses 1, record 2, English, mirrored%20lenses
correct, plural
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Mirrored Lenses-FL(Flash) : A coloured coating applied to the outside of the lens. The coating can be applied over any base colour lens, i. e. vermillon, amber, grey. Due to their reflective properties, any mirrored lens will appear darker since it will reflect a certain amount of light trying to reach the eye. A mirrored lens will also add an extra buffer against glare. Mirrored or "Flash" lenses are available in a variety of different colours. Unless otherwise marked, these lenses use Vermillon as a base colour. The following colours are available as a Flash coating : Gold Flash, Amber Flash, Bollé 100 Flash; Blue Flash; Silver Flash; Green Flash; Gun Flash. 1, record 2, English, - flash%20lenses
Record 2, Key term(s)
- flash lens
- mirrored lens
Record 2, French
Record 2, Domaine(s)
- Optique
Record 2, Main entry term, French
- verres miroirs
1, record 2, French, verres%20miroirs
masculine noun, plural
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
La couleur des verres solaires est une question de goût. Il faut savoir que le bleu et le rose modifient la perception des couleurs. Les verres photochromiques (qui foncent lorsque la lumière augmente et inversement) existent également dans différentes couleurs (brun, gris, vert). Les verres «miroirs» qui peuvent être bleutés, argentés ou dorés, permettent de lutter contre la réverbération. Ils sont très utiles dans les sports de l'extrême et sont devenus, grâce à un phénomène de mode, très utilisés en ville. [...] LOUBSOL pour tous les sports d'action : bateau, char à voile, escalade, a conçu un bandeau panoramique haute performance avec 3 écrans interchangeables : fumé traitement miroir, ambre traitement flash miroir et incolore traitement UV 400. 1, record 2, French, - verres%20miroirs
Record 2, Key term(s)
- verre miroir
Record 2, Spanish
Record 2, Textual support, Spanish
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