Beam Angle DDR one tenth

LdG-4 DDR and Beam angle of light

I am introducing the DDR (Diameter to Distance Ratio) as a quick guide in this LdG-4 (Lighting Design Guide-4) Introduction … More

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LdG-3 Lighting design Guide for LED

LdG-3 Lighting design Guide for LED

I will try my avoid scientific terms as mush as possible and I will do my best to make this … More

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