Photography originated from the camera obscura, which was a darkened room or box with a small hole that projected an inverted image on the opposite wall. Over time, the camera obscura shrank in size and lenses were added to focus images. Two main photographic processes emerged in the 19th century - the daguerreotype invented by Daguerre and Niépce, which produced sharp detailed images on silver-coated plates, and the calotype process invented by Talbot which allowed for negatives and multiple prints. Entrepreneurs like Nadar and Disdéri popularized portraiture studios and new formats like cartes-de-visite. The development of photography influenced painting as Impressionists captured light