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4 de Outubro de 2022

Documento Mês – Fundo Bibliográfico

“Visor estereoscópico” Did you know that the principles of stereoscopic vision were discovered a year before the invention of photography? The opportunity for three-dimensional vision appeared in 1838 thanks to the English inventor Charles Wheatstone (1802-1875), who developed an early version of the stereoscope by demonstrating in his experiments that it was possible to view […]

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6 de Setembro de 2022

Documento Mês – Fundo Bibliográfico

“Negativo estereoscópico (vidro) em colódio húmido” Did you know that the first glass negatives date back to 1848? In 1841, the English inventor and scientist William Henry Fox Talbot (1800-1877) created the first negative-positive photographic process, known as calotype, which consisted of fixing the image from a negative onto a paper support and then, by […]

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2 de Agosto de 2022

Documento Mês – Fundo Bibliográfico

“Escolha de uma grande-angular” Did you know that the first photographic lenses were created in 1826 by the French optician Charles Louis Chevalier? Charles Louis Chevalier (1804-1859), a French expert in optics, did not play a very prominent role in the invention of photography, despite being responsible for the development of the first photographic lenses. […]

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5 de Julho de 2022

Documento Mês – Fundo Bibliográfico

“Préparation d’une plaque au collodion humide” Did you know that glass was used as a support for producing photographic negatives? From 1845 onwards, glass was the ideal support for photographic negatives because it was transparent, stable, had a polished surface, and allowed for several image reproductions. Three types of photographic emulsions were essentially used in […]

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1 de Junho de 2022

Documento Mês – Fundo Bibliográfico

“Les conquêtes de la photographie: le portrait” Did you know that the stereographoscope consists of a combination of graphoscope and stereoscope? The Italian photographer Carlo Ponti (1823-1893) invented the optical instrument known as graphoscope, which allows viewing small photographs (cartes de visite) using a magnifying glass lens which creates the optical illusion of an image […]

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3 de Maio de 2022

Documento Mês – Fundo Bibliográfico

“Les conquêtes de la photographie: le portrait” Did you know that the first photograph of the Moon was taken on 23 March 1840? In 1840, John Williams Draper (1811-1882), a chemistry professor at New York University in the United States of America, took the first photograph of the Moon which is considered to be the […]

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5 de Abril de 2022

Documento Mês – Fundo Bibliográfico

“Les conquêtes de la photographie: le portrait” Did you know that a stereoscopic image is obtained by means of a camera with two lenses located at a distance similar to that between the eyes? The English physicist Charles Wheatstone (1802 – 1875) and the Scottish physicist David Brewster (1781 – 1868) share the distinction of […]

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1 de Março de 2022

Documento Mês – Fundo Bibliográfico

“Ferrotypes présentés em format «cart de visite»” Did you know that the ambrotype was replaced by the ferrotype due to the fragility of glass? The ambrotype appeared in 1852. It consisted of a glass negative (photographic support), coated on one side with velvet or black cardboard and making the image appear as if it were […]

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1 de Fevereiro de 2022

Documento Mês – Fundo Bibliográfico

“Ambrotypes coloriés à la main…” Did you know that an ambrotype is a positive photographic image on a glass plate? The ambrotype appeared in 1852. It is a negative which becomes positive by means of a dark layer (cloth, velvet or black cardboard) on the opposite side of the image and is obtained with a […]

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4 de Janeiro de 2022

Fundo Bibliográfico

  “Positif au collodion sur plaque de verre (ambrotype)…” Tinha conhecimento que o processo do colódio húmido foi o mais usado na fotografia de 1851 a 1875? O processo do colódio húmido foi um dos primeiros processos da história da fotografia. Foi inventado por Frederick Scott Archer (1813-1857) que insatisfeito com a produção de negativos […]

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