The document summarizes the evolution of camera technology from its origins with the camera obscura to modern digital photography. It traces key developments such as the first permanent photograph by Joseph Niepce in 1822, the daguerreotype process in the 1830s, the introduction of roll film by George Eastman in the 1880s enabling casual snapshot photography, and the introduction of digital cameras in the late 20th century. The document highlights many important contributors and technological advances that made cameras smaller, easier to use, and able to capture color photographs.