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39.13 Light and Illumination

GSL_CONST_MKSA_STILB

The luminance of 1 stilb.

GSL_CONST_MKSA_LUMEN

The luminous flux of 1 lumen.

GSL_CONST_MKSA_LUX

The illuminance of 1 lux.

GSL_CONST_MKSA_PHOT

The illuminance of 1 phot.

GSL_CONST_MKSA_FOOTCANDLE

The illuminance of 1 footcandle.

GSL_CONST_MKSA_LAMBERT

The luminance of 1 lambert.

GSL_CONST_MKSA_FOOTLAMBERT

The luminance of 1 footlambert.