Image Capture: Cameras, Lenses, and Scanners
THE ROLE OF A CAMERA
The camera is the key component of photographic vision. The role of the camera has been to make an “acceptable” and recognizable depiction of the visible world based on established visual conventions. The early camera, called the camera obscura, was an optical drawing device designed to imitate the visual ideas of perspective and scale that were formulated during the Renaissance. Cameras and lenses leave their fingerprints all over the basic characteristics of the final photographic image, including field of view, sharpness, tonal range, and noise. Because the camera plays such a vital role in the formation of the final picture, photographers should select a camera ...