This standard is based on the XYZ color system (2) based on a 2-degree visual field (hereinafter referred to as the XYZ color system) and the XYZ color system (2) based on a 10-degree visual field (hereinafter referred to as the XYZ color system). specifies methods for measuring the light source color of general illumination light sources and methods for measuring the spectral distribution of illumination light used when calculating tristimulus values of object colors.
JIS Z 8724:1997 history
2015JIS Z 8724:2015 Methods of colour measurement -- Light-source colour
1997JIS Z 8724:1997 Methods of colour measurement -- Light-source colour