He discovered the photosensitive emulsion (silver nitrate) it tended to darken with the light. He doesn’t knew the camera oscura.
Aristotle described the camera oscura.
Mozi wrote about the camera oscura as the "hidden treasure"
He used the camera oscura to watched eclipses.
In his “Science Perspective", Bacon improved the camera oscura placing a mirror behind the pinhole (whole where the light enters) in order to project the images horizontally.
He invented the glasses.
He realized the first illustration and complete description of the camera oscura.
He refers to the camera oscura as the "buried treasure"
Use of a biconvex glass disc
Hans Lippershey made the first telescope.
He created a system of concave and convex lenses to correct aberrations and distortions.
He included glasses to the telescope and a visor
He obtained the first impregnated silhouette on silver salts.
Discover ownership of black to light having a mixture of chalk etching and silver nitrate.
The silhouettes were the shape of an economic portrait more common on England, France, and Germany.
He commercialized telescopes with achromatic lenses.
He studied the reactions of silver light systematically.
Louis Chrétien invented a similar device to pantograph to transfer intaglio plate profile models.
He improved the experiments of Jacques-Alexandre-Cesar Charles, but the images can only be contemplate on the shade and a few minutes (it was missing (lacked binder). Were called "blueprints"
Invented by Sir John Herschel (who coined the term “photograpy” years latter) ir was an instrument to measure the intensity of light.
In 1827 Niépce accomplished the first photography of the history: a view from the window of his house, it took 8 hours of exposure to be realiced.
He could achieve the first successful fixation of an image produced with one camera oscura. He converted in one of the fathers of photography.
Louis Daguerre convinced Niépce to sign a collaboration agreement to work together the effort for the fixation of images obtain by the camera oscura.
Louis Daguerre achieved his first permanent image.
The 19 of august 1839 Louis Daguerre showed his invention (Called daguerreotype) to the Science Academy of Paris.
William Henry Fox Talbot realized a procedure called "Calotype". He used paper instead of metal plates and can generate a negative with multiple copies.
It was created by Giroux in París. Its weight was 54 kg, and it had a cost 400 francs.
Hyppolite Bayard created his image "The drowned" in protest at not being recognized as a parent of Photography.
Alexander S. Wolcott and John Johnson patented a camera that allowed shorter exposure times.
Richard Beard opened his first portrait studio
Alexander Bain created this device and in 1856 he opened the first fax service between París y Lyon (France).
Anna Atnkins published "Photographs of British Algae", the first illustrate book with photographies
They realized portraits and they were the first documenting the social reality in the fishing villages.
It creates in England the Calotype Club". Its members were Frederick Scott Archer – creator of the wet collodion, Roger Fenton and Hugh Diamond, among others.
Frederick Bakewell improved, in England, the design of Alexander Bain to create facsimiles.
Abel Niepce used egg whites to bond the silver salts.
Gustave LeGray proposed the use of the wet collodion to reduce shutter times.
He opened his studio in Washington D.C. and performed photographs of the president and his cabinet. His job of documentation in the Civil War was fundamental.
By the mid-nineteenth century portrait was the main activity of photographic studios.
For a decade several photographers used the photography with artistic purposes, borrowing themes and inspire treatments in painting. They stressed HP Robinson, Oscar Gustav Rejlander, Julia Margaret Cameron and others.
Louis Desire Blanquart-Evrard invented the printing paper to albumin and achieves greater depth and contrast.
Gaspard Félix Tournachon (Nadar) became in one of the fundamental portraitist. He created one of the most important photo studios in Paris.
Know as the Societé Héliographique, it became in 1854 in the Sociétè Française de Photographie.
One of the pioneers of art photography. Provided its photos a aesthetic sense.
Maxime du Camp takes photographic records in Egypt.
John Benjamin Dancer created the first first stereoscopic camera of the history.
Adolphe-Alexandre Martin created the tintype technique: metal plate used as a support for the collodion.
Founded by Roger Fenton
James Ambrose Cutting invented the ambrotype, or collodion direct printing.
Roger Fenton, first war photographer created "Valley of the Shadow of death"
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