Luminous intensity is luminous flux per outgoing solid angle, measured in candelas. It is the visually weighted counterpart of radiant intensity. The same total luminous flux concentrated into a narrower cone can give a greater luminous intensity within that cone.[ref]
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Luminous intensity is a measure of the amount of light emitted from a source in a particular direction per unit solid angle. It is a fundamental concept in photometry, which is the science of measuring visible light as perceived by the human eye. The unit of luminous intensity in the International System of Units (SI) is the candela (cd).