SSI-LXR1612ID16615
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30791869-SSI-LXR1612ID16615
LED Panel Mount Indicators Red 635nm 10mcd T-3mm 6" Leads Diff
the angle at which a display can be viewed with acceptable visual performance.
In photometry, luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye.
affect how much visible light reaches people's eyes, how well people see other colors and how well they see contrasts.