Barnack was born on 1st November 1979 in Germany.
He was the designer of the first precision miniature camera to become available commercially. The camera was named Leica, an anagram obtained from Leitz Camera. Barnack suffered from asthma, so he decided to reduce the weight and size of cameras to be able to take photographs on his trips.
Barnack determined the standard 24 × 36-millimeters picture size for 35-millimeters film and was partly responsible for designing the Leitz Elmar lens. He was also one of the first photographers to create a new picture style in which you could see the relationship of people to their environment.
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