Published
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.
                WITHDRAWN
                                    ISO 1230:1992
                            
                    PUBLISHED
                    ISO 1230:2007
                    90.93
                                        Standard confirmed
                    Jun 5, 2025