History of photography in the context of Astrograph

⭐ Core Definition: History of photography

The history of photography began with the discovery of two critical principles: The first is camera obscura image projection; the second is the discovery that some substances are visibly altered by exposure to light. There are no artifacts or descriptions that indicate any attempt to capture images with light sensitive materials prior to the 18th century.

Around 1717, Johann Heinrich Schulze used a light-sensitive slurry to capture images of cut-out letters on a bottle. However, he did not pursue making these results permanent. Around 1800, Thomas Wedgwood made the first reliably documented, although unsuccessful attempt at capturing camera images in permanent form. His experiments did produce detailed photograms, but Wedgwood and his associate Humphry Davy found no way to fix these images.

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👉 History of photography in the context of Astrograph

An astrograph (or astrographic camera) is a telescope designed for the sole purpose of astrophotography. Astrographs are mostly used in wide-field astronomical surveys of the sky and for detection of objects such as asteroids, meteors, and comets.

Improvements in photography in the middle 19th century led to designs dedicated to astrophotography, and they were also popular in the 20th century. As in other photography, chemicals were used that respond to light, recorded on a glass photographic plate or sometimes on photographic film. Many observatories of this period used an astrograph, beside instruments like the transit telescope, great refractors, and chronometers, or instruments for observing the Sun.

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⭐ Core Definition: History of photography
👉 History of photography in the context of Astrograph
History of photography in the context of Nicéphore Niépce
History of photography in the context of List of photographs considered the most important
History of photography in the context of The Pencil of Nature

History of photography in the context of Nicéphore Niépce

Joseph Nicéphore Niépce (French: [nisefɔʁ njɛps]; 7 March 1765 – 5 July 1833) was a French inventor and one of the pioneers of photography. Niépce developed heliography, a technique he used to create the world's oldest surviving products of a photographic process. In the mid-1820s, he used a primitive camera to produce the oldest surviving photograph of a real-world scene. Among Niépce's other inventions was the Pyréolophore, one of the world's first internal combustion engines, which he conceived, created, and developed with his older brother Claude Niépce.

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History of photography in the context of List of photographs considered the most important

This is a list of photographs considered the most important in surveys where authoritative sources review the history of the medium not limited by time period, region, genre, topic, or other specific criteria. These images may be referred to as the most important, most iconic, or most influential—and are considered key images in the history of photography.

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History of photography in the context of The Pencil of Nature

The Pencil of Nature is an 1844 book by William Henry Fox Talbot. It is notable for being the first commercially published book to be illustrated with photographs.

Published by Longman, Brown, Green & Longmans in six fascicles between 1844 and 1846, the book detailed Talbot's development of the calotype photographic process and included 24 calotype prints, each one pasted in by hand, illustrating some of the possible applications of the new technology. It is regarded as an important and influential work in the history of photography and was described by the Metropolitan Museum of Art as "a milestone in the art of the book greater than any since Gutenberg's invention of moveable type."

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History of photography in the context of Astrograph

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⭐ Core Definition: History of photography

👉 History of photography in the context of Astrograph

History of photography in the context of Nicéphore Niépce

History of photography in the context of List of photographs considered the most important

History of photography in the context of The Pencil of Nature