When was the camera invented? When was the camera invented?

2. 1839, Daguerre made the first practical silver camera. The basic idea is to expose a copper plate coated with silver iodide, then steam it with mercury vapor and fix it with ordinary salt solution to form a permanent image.

3. Later, Daguerre made the world's first camera in this way. At the same time, Daguerre photography is the first successful photography method in the world.