In digital photographyexposure meter is an instrument for measuring the amount of light falling on or being reflected by a subject, and usually equipped to convert this measurement into usable information, such as the shutter speed and aperture size required to take a reasonable photograph.
See “A Quick Guide to Digital Cameras” in the Quick Reference section of Webopedia.
See also Megapixel.net for news, reviews and a active community for digital camera and photography enthusiasts.
