ISO 1230 : 2007(R2015)现行
PHOTOGRAPHY - DETERMINATION OF FLASH GUIDE NUMBERS FOR ELECTRONIC FLASH EQUIPMENT
出版：International Organization for Standardization
专家解读视频
Specifies the definition and determination of the ISO guide number of electronic flash equipment.
NEN ISO 1230 : 2007 - Identical
BS ISO 1230 : 2007 - Identical
BS 5841-6(1980) : 1980 - Identical
PN 93/N-84521 : 1993 - Identical
NAPM IT3.405 : 0 - Identical
ANSI PH3.405 : 1991 - Identical
NEN ISO 1230 : 2007 - Identical
BS ISO 1230 : 2007 - Identical
