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Essay example - Photography
Pages 8 (2008 words)
The term camera comes from the Latin word " Camera Obscura" meaning "darkroom" or "dark chamber". The first people to use this equipment were British scientists Thomas Wedgewood and Sir Humphry Davy. They used it to record photographic images. Certain chemicals were known to be light sensitive, such as silver nitrate and silver chloride…
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The earliest photos on record were made by French physicist Joeseph Nicephore Niepce and were called heliographs and were first made in 1827.
In 1851 British sculptor and photographer Frederick Scott archer introduced wet plate collodion. His method differed from what was used before in a few ways. Firstly the Collodion was used in place f Albumin. Secondly the plates had to be exposed and developed while wet and you needed to have a dark room close at hand in order to prepare the plates. The American Civil war was the great event that was documented with thousands f photographs. The principle photographer was Mathew B. Brady. The drawbacks to using this process would be portability, danger f shooting in a war zone/ battlefield. Having to have the plates wet before exposure and after meant you only had a limited amount f time to get them developed. This would mean that you could only photograph things that were close to your set up location. (Bial 2006)
British merchant Richard Kennett who released his work as early as 1874 made advances. However in 1878 Charles Bennett perfected the process. He used a dry plate coated with an emulsion f gelatin and silver bromide.
Around 1883american inventor George Eastman produced a roll f film consisting f a long paper strip coated with a sensitive emulsion. ...
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