FAQ

What is the Distance from Center to Light Source?
Distance from Center to Light Source is the length of the line segment from the center of the light source to the point of interest, used to calculate the intensity of light at that point. Distance from Center to Light Source is usually measured using the Centimeter for Length. Note that the value of Distance from Center to Light Source is always negative.
Can the Distance from Center to Light Source be negative?
Yes, the Distance from Center to Light Source, measured in Length can be negative.
What unit is used to measure Distance from Center to Light Source?
Distance from Center to Light Source is usually measured using the Centimeter[cm] for Length. Meter[cm], Millimeter[cm], Kilometer[cm] are the few other units in which Distance from Center to Light Source can be measured.
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