Exposure - Over and under exposing
Exposing for a photo is as important as framing it right, composing it and being creative among other things. We all use decent intelligent devices in the form of digital cameras. smartphones and exposure meters for the more professionals. Those devices often tell us what the right exposure is. But what if the photo taken at such exposure What does exposure really mean? According to the well trusted source of Wikipedia In photography , exposure is the amount of light per unit area (the image plane illuminance times the exposure time) reaching a photographic film or electronic image sensor , as determined by shutter speed, lens aperture and scene luminance . Exposure is measured in lux seconds , and can be computed from exposure value (EV) and scene luminance in a specified region. In photographic jargon, an exposure generally refers to a single shutter cycle . For ...