Photography (from Greek phos, “light,” and gráphein, “write, draw”) is a technique that uses a lens to fix an image generated by the action of light chemically on a photosensitive coating to produce a permanent image.
The knowledge, use, and further development of the camera obscura (Latin, “dark chamber”) since antiquity and the discovery of the photosensitivity of various silver salts in the early 18th century – including the work of the Germ…