https://www.iala.int/wiki/dictionary/api.php?action=feedcontributions&feedformat=atom&user=Pridgway 2026-05-11T17:41:59Z User contributions MediaWiki 1.41.5 https://www.iala.int/wiki/dictionary/index.php?title=Spectral_Luminous_Efficiency&diff=7809 2012-05-03T22:24:13Z

<p>Pridgway: </p> <hr /> <div><br /> '''2-1-015<br /> <br /> Spectral Luminous Efficiency (of a monochromatic radiation of wavelength ?)<br /> <br /> The ratio of the radiant flux at wavelength ?m to that at wavelength ?, such that both radiations produce equally intense luminous sensations under specified photometric conditions, and ?m is chosen so that the maximum value of this ratio is equal to 1.<br /> <br /> Unless otherwise indicated, the values used for the spectral luminous efficiency relate to photopic vision by the normal eye having the characteristics laid down by the Reference: C.I.E.<br /> <br /> Symbol: V(?)<br /> <br /> Reference: C.I.E. (modified)<br /> <br /> Note: The complete definition given by the Reference: C.I.E. includes a table of spectral luminous efficiency, V(?), against wavelength for the photometric standard observer for photopic vision. A similar table relating to spectral luminous efficiency for scotopic vision, V'(?), is also given by the Reference: C.I.E.<br /> <br /> {{IALAFooter}}<br /> <br /> {{languages|Spectral Luminous Efficiency}}<br /> [[Category:2.1 Optics and Vision]]<br /> [[Category:Alphabetical Index]]<br /> [[Category:IALA Dictionary 1970-89 Edition]]</div>

Pridgway https://www.iala.int/wiki/dictionary/index.php?title=Spectral_Luminous_Efficiency&diff=7808 2012-05-03T22:23:55Z

<p>Pridgway: </p> <hr /> <div><br /> '''2-1-015<br /> <br /> Spectral Luminous Efficiency (of a monochromatic radiation of wavelength ?)<br /> <br /> The ratio of the radiant flux at wavelength ?m to that at wavelength ?, such that both radiations produce equally intense luminous sensations under specified photometric conditions, and ?m is chosen so that the maximum value of this ratio is equal to 1.<br /> <br /> Unless otherwise indicated, the values used for the spectral luminous efficiency relate to photopic vision by the normal eye having the characteristics laid down by the Reference: C.I.E.<br /> <br /> Symbol: V(?)<br /> <br /> Reference: C.I.E. (modified)<br /> <br /> Note: The complete definition given by the Reference: C.I.E. includes a table of spectral luminous efficiency, V(?), against wavelength for the photometric standard observer for photopic vision. A similar table relating to spectral luminous efficiency for scotopic vision, V'(?), is also given by the Reference: C.I.E.<br /> <br /> <br /> {{IALAFooter}}<br /> <br /> {{languages|Spectral Luminous Efficiency}}<br /> [[Category:2.1 Optics and Vision]]<br /> [[Category:Alphabetical Index]]<br /> [[Category:IALA Dictionary 1970-89 Edition]]</div>

Pridgway