by Ciro Santilli (@cirosantilli, 34)
1 Watt equals 683 Lumens of light power at wavelength 555 nm. At other wavelengths 1 Watt is less Lumens as it takes into account the sensitivity of the average human eye.
Candela is lumen density per solid angle.

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  1. Candela
  2. Luminous intensity
  3. Dimension of the International System of Units
  4. International System of Units
  5. List of systems of units
  6. System of units
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Lumen (unit) by Wikipedia Bot 0 1970-01-01
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