exposure meter

noun Photography.
an 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.


Origin:
1890–95

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World English Dictionary
exposure meter
 
n
photog Also called: light meter 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

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

exposure meter

photographic auxiliary device that measures the intensity of light and indicates proper exposure (i.e., the combination of aperture and shutter speed) for film of a specific sensitivity. Modern instruments are of two basic types: the self-generating, or photovoltaic, and the variable resistance, or photoconductive

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
The camera and exposure meter are on top of the microscope.
The control for the exposure meter is between the microscope and the automatic point-counter keyboard in the left background.
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