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Photopic (black line) and scotopic1 (green line) luminosity functions. The photopic includes the CIE 1931 standard (solid),2 the Judd–Vos 1978 modified data (dashed),3 and the Sharpe, Stockman, Jagla & Jägle 2005 data (dotted).4 The horizontal axis is wavelength in nm.

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Footnotes

  1. “Scotopic luminosity function”.

  2. “CIE 2-deg CMFS”.

  3. “Judd–Vos modified Photopic luminosity function”.

  4. “Sharpe, Stockman, Jagla & Jägle (2005) 2-deg V﹡(l) luminous efficiency function”. Archived from the original on 2007-09-27. Retrieved 2007-05-10.