Graph of photopic luminosity function (black) including CIE 1931 (solid), Judd-Vos modified (dashed), and Sharpe, Stockman, Jagla &amp; Jägle 2005 (dotted); and scotopic luminosity function, CIE 1951 (green).
<p>Using data from:
</p>
<ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20070927222337/http://www.cvrl.org/database/text/lum/ssvl2.htm">http://www.cvrl.org/database/text/lum/ssvl2.htm</a> – Sharpe, Stockman, Jagla &amp; Jägle</li>
<li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20081228083025/http://www.cvrl.org/database/text/lum/vljv.htm">http://www.cvrl.org/database/text/lum/vljv.htm</a> – Judd–Vos</li>
<li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20081228084047/http://www.cvrl.org/database/text/cmfs/ciexyz31.htm">http://www.cvrl.org/database/text/cmfs/ciexyz31.htm</a> – CIE 1931, the Y column of XYZ data</li>
<li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20081228115119/http://www.cvrl.org/database/text/lum/scvl.htm">http://www.cvrl.org/database/text/lum/scvl.htm</a> – Scotopic, CIE 1951</li></ul>
The horizontal axis is wavelength in <a href="https://en.wikipedia.org/wiki/nanometre" class="extiw" title="en:nanometre">nanometers</a>
<ul><li>original image: <a href="https://en.wikipedia.org/wiki/User:Dicklyon" class="extiw" title="wikipedia:User:Dicklyon">Dicklyon</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a></li>
<li>this version: <a href="//commons.wikimedia.org/wiki/User:Innesw" title="User:Innesw">Innesw</a></li></ul>
2006-07-27
<a href="//commons.wikimedia.org/wiki/File:Luminosity.png" title="File:Luminosity.png">File:Luminosity.png</a>