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Basic Concept about Light-Spectral Power Distribution (SPD)

  1.     Process of Vision
  2.     Visible Spectrum of Light
  3.     Light and color
  4.     Spectral Power Distribution (SPD)
  5.     Color Rendering Index (CRI)
  6.     Color Temperature
  7.     Warm and Cool Light
  8.     Luminous Flux
  9.     Luminous Intensity
  10.     Illuminance of Light
  11.     Difference bettwen Lumen,lux and Cd
  12.     output and efficiency
  13.     Visual comfort Probability
  14.     Beam Angle
  15.     Power factor
  16.     Average Rated Life/ L70 Standard