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ISO 2721:1982

Photography — Cameras — Automatic controls of exposure

Dec 1, 1982
95.99   Withdrawal of Standard   Mar 5, 2013

General information

95.99     Mar 5, 2013

ISO

ISO/TC 42

International Standard

37.040.10  

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Scope

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.
ISO 2721:1982 is applicable to film-based cameras and it is not applicable to digital cameras.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/TR 2721:1975

NOW

WITHDRAWN
ISO 2721:1982
95.99 Withdrawal of Standard
Mar 5, 2013

REVISED BY

ABANDON
ISO/WD 2721

PUBLISHED
ISO 2721:2013