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exposure meter

noun, Photography
1.
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
1890-1895
1890-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for expo sure meter

exposure meter

noun
1.
(photog) 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for expo sure meter

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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13
14
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