Photography — Determination of flash guide numbers for electronic flash equipment
NORMA vydána dne 22.8.2007
Designation standards: ISO 1230:2007-ed.3.0
Publication date standards: 22.8.2007
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Kategorie: Technické normy ISO
Description / Abstract: ISO 1230:2007 specifies the definition and determination of the ISO guide number of electronic flash equipment. It does not specify the definitions and measuring methods for the light output of electronic flash equipment, which are specified in ISO 2827.