KEY TERMS IN SPORTS LIGHTING

Below are some key terms in sports lighting you may want to know: L90, L80, L70: The point at which the output of a LED light source has depreciated to 90%,80% or 70% of its original output based on LM-80 & TM-21 projection methods LED: Light Emitting Diode LM-80: Approved method of measuring the lumen maintenance …

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