The document outlines the history and development of cameras from 1727 to present day. It describes several key innovations including Johann Heinrich Schulze discovering in 1727 that silver nitrate could capture images when exposed to light, paving the way for the first photographs. In 1837, Louis Daguerre invented the Daguerreotype process which reduced exposure time and prevented images from fading. George Eastman later invented the first roll-film camera in 1888, making picture taking more convenient. Edwin H. Land further developed instant photography with his Polaroid camera in 1948, allowing photos to develop immediately. Digital cameras were invented in the 1970s and became widely available to consumers in the 1980s and 1990s, changing how photos were