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Above is the first underwater photograph, taken by Louis Boutan in 1893. He has to do a considerable amount of experimenting before he managed to build a water tight camera. Then, because of the slow speed of the film available, he had to pose for as long as 30 minutes lit by underwater arc lights to get an exposure. Because he also had to set the equipment up, he could spend as much as 3 hours underwater, at depths up to 160+ feet and sometimes suffered nitrogen narcosis as a result of his efforts.
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Iconic Photos.
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