exposure meter
nounUK /ɪkˈspəʊʒə ˈmiːtə/
US /ɪkˈspoʊʒər ˈmiːtər/
A tool that tells you how much light there is so you can take a good picture.
The photographer checked the exposure meter before snapping the photo.
RELATED WORDS
OTHER MEANINGS
2. A device used in photography to measure the brightness of a scene and suggest camera settings.
She relied on the built-in exposure meter to set the shutter speed.
3. An instrument for measuring the intensity of light in scientific or industrial settings.
The lab used an exposure meter to record light levels during the experiment.
4. A gauge that indicates the amount of radiation or light a person or object has received.
Workers wore an exposure meter to track their radiation dose.