释义 |
automatic exposure
automatic exposure n (Photography) the automatic adjustment of the lens aperture and shutter speed of a camera by a control mechanism. Also called: autoexposure automatic exposure
automatic exposure[¦ȯd·ə¦mad·ik ik′spō·zhər] (optics) Photoelectric exposure control by a special device that maintains an essentially constant exposure in the focal plane for a given range of field luminance. |