an instrument for measuring the intensity of light, usually by means of a photocell, so that the suitable camera settings of shutter speed and f-number (or lens aperture) can be determined
Also called: light meter
WordReference Random House Unabridged Dictionary of American English © 2025
expo′sure me′ter, [Photog.]
- Photographyan instrument for measuring the intensity of light in a certain place or upon a certain object, having an adjustable scale for determining the optimum relations of shutter speeds and stops at each intensity. Also called light meter.
- 1890–95
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'exposure meter' also found in these entries (note: many are not synonyms or translations):