CAMERA The first permanent photograph of a camera image was made in 1825 by Joseph Nicéphore Niépce using a sliding wooden box camera made by Charles and Vincent Chevalier in Paris . A camera is an optical instrument that captures a visual image . At a basic level, cameras consist of sealed boxes, with a small hole that allows light through to capture an image on a light-sensitive surface . Cameras have various mechanisms to control how the light falls onto the light-sensitive surface. Lenses focus the light entering the camera. The aperture can be narrowed or widened. A shutter mechanism determines the amount of time the photosensitive surface is exposed to light. History of the camera The forerunner to the photographic camera was the camera obscura . Camera obscura is the natural optical phenomenon that occurs when an image of a scene at the other side of a screen (or for instance a ...
