How to Choose the Right LED Viewing Angle for Circuit ...
ZerodegreesistheaxisjoiningpointAandB,outsidethelens.Thecentreoriginismeasuredfromthisaxis.It'snotapointbutaline.,TheviewingangleinLEDdisplaysisthemaximumangleatwhichwecanvisualizeclearimageswithoutperceptiblequalitydegradation.,ThenarrowangleLED...。參考影片的文章的如下: