Фотография. Лампы-вспышки. Определение показателя спектрального распределения по ISO (ISO/SDI)
Название (англ.):
Photography; Camera flash illuminants; Determination of ISO spectral distribution index (ISO/SDI)
Описание (англ.):
Specifies a method for calculating a spectral distribution index to evaluate the ability of expendable flash and electronic flash units to produce photographic colour results comparable with those obtained with daylight-type films exposed to daylight illumination.