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Civil War photographs

Long shutter-speeds were required to take photographs during the Civil War which meant photographers often required subjects to pose for shots or they captured distant subjects that made any subject blurring less noticeable. Exposures could be as long as 10-30 seconds.

In this photo provided by the Library of Congress, rear view of the camp of Captain John J. Hoff of the Union Army in Gettysburg, Pa., in July 1865. (AP Photo/Library of Congress/William Morris Smith)


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