Luminance meter

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A luminance meter is a device used in photometry that can measure the luminance[1] in a particular direction and with a particular solid angle. The simplest devices measure the luminance in a single direction while imaging luminance meters measure luminance in a way similar to the way a digital camera records color images.

  1. ^ "e-ILV : Luminance meter". CIE. Retrieved 20 February 2013.