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  This camera was used with only natural light reflecting off the scene. Camera obscura also means dark chamber. It directs the light through a small hole which projects an image on a screen of wall. It was then easily traceable. This camera was first founded in Europe,
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  Isaac Newton discovers that white light is made up of different colors.
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  Johann Shulze is best known for her discovery of silver salts. They were used for effects in capturing temporary photographic images.
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  Joseph Niepce achieves the first photographic image which took over 8 hours of exposure.
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  William Henry Talbot creates the first negative-posititve process.
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  This camera needed long exposure to a scene to take the picture.
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  Richard L. Maddox was the creator of the "dry plate" which was a form of a photographic Plate.
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  James Maxwell created the first color photograph.
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  George Eastman was the entreprenuer who created Eastman Kodak Company. He was also the creator of roll film.
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  Edwin Land is best known for being a cofounder of the Poloroid Corporation.