When was the camera born?

1822, the Frenchman Niepce made the world's first photo on photosensitive materials, but the image was not clear and needed.

Eight hours of exposure. In 1826, he took a photo through a black box on the tin floor coated with photosensitive asphalt.

1839, French painter Daguerre invented the silver disc photography, and at the same time, the world's first real camera appeared, which is a telescopic wooden box camera with a new lens.

1840 American optical designer Alexander? Walcott (Alexamder? s？ Wolcott) made a camera that uses concave mirror to image.