World largest pinhole camera was made in Irving, CA, using 1.5 miles of 2 inches wide black Gorila tape and 40 US gallons of black spray pain.
The electronic video camera tube was invented in the 1920s, starting a line of development that eventually resulted in digital cameras.
The world's first button camera was used by intelligence agencies during the cold war in the 1950's and 1960's, but it was very bulky and it could only take still shots.
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