# ISO 1230:1973 — Withdrawn and superseded ISO standards For ISO 1230:1973, item title is Photography — Determination of flash guide numbers; status code is 9599; successor is ISO 1230:1992; withdrawn / published date is 1973-06-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 1230:1973 _(verified: appears in the quote below)_ - **Item title:** Photography — Determination of flash guide numbers _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 1230:1992 - **Withdrawn / published date:** 1973-06-01 _(verified: appears in the quote below)_ ## What the source says > 5848,IS,,ISO 1230:1973,Photography — Determination of flash guide numbers,Photographie — Détermination des nombres-guides des appareils à éclairs,1973-06-01,1,['37.040.10'],ISO/TC 42,9599,,[5849],"['en','fr']",2, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).