[[Light]]
- https://en.wikipedia.org/wiki/Standard_illuminant)
* 解説 [#m1999d7c]
- 標準光源
-- http://helloween-tips.com/%E6%9C%AA%E5%88%86%E9%A1%9E/standard_illuminants
* 実データ [#yb76fa3e]
- https://law.resource.org/pub/us/cfr/ibr/003/cie.15.2004.tables.xls
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