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The photography was slow. It appears 8 h after.
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Niépce and Daguerre improved the short exposure time (only 30 minutes)
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Cut exposure time much more. They invend positive and negative too.
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(The first photo isn't this)
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George Eastman Kodak invented the photographic film. After that the handhedd camera film appears too.
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Aproximately in 1931 the modern flash bulb was invented.
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Kodak invented the Kodackrome film. The photographic films were in color.
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Edwin Land invented the polaroid camera. A camera with instant developing.
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