# ISO 2721:1982 — Withdrawn and superseded ISO standards

For ISO 2721:1982, item title is Photography — Cameras — Automatic controls of exposure; status code is 9599; successor is ISO 2721:2013 | ISO/WD 2721; withdrawn / published date is 1982-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2721:1982 _(verified: appears in the quote below)_
- **Item title:** Photography — Cameras — Automatic controls of exposure _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2721:2013 | ISO/WD 2721
- **Withdrawn / published date:** 1982-12-01 _(verified: appears in the quote below)_

## What the source says

> 7692,IS,,ISO 2721:1982,Photography — Cameras — Automatic controls of exposure,Photographie — Appareils de prise de vues — Commandes automatiques de l'exposition,1982-12-01,1,['37.040.10'],ISO/TC 42,9599,[7691],"[62742,38533]","['en','fr']",7,"<p>ISO 2721:1982 defines the exposure at the focal plane of cameras for values of two exposure parameters, i.e. field luminance and film speed. It also gives methods of evaluating other photometric characteristics. The data apply to automatic exposure control systems which are built into cameras or coupled with them to regulate the exposure in the focal plane in dependence of the various exposure parameters.</p><p>ISO 2721:1982 is applicable to film-bas

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).