Photography — Camera flash illuminants — Determination of ISO spectral distribution index (ISO/SDI)
NORMA vydaná dňa 1.10.1984
Označenie normy: ISO 3028:1984-ed.2.0
Dátum vydania normy: 1.10.1984
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: 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.