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ISO 2720:1974

Photography — General purpose photographic exposure meters (photoelectric type) — Guide to product specification

Aug 1, 1974

General information

90.93     Jun 6, 2026

ISO

ISO/TC 42

International Standard

37.040.10  

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Scope

Specified are calibration levels and test conditions for general-purpose photoelectric exposure meters which measure reflected or incident light, or both, in determining photographic exposure for camera use. The specifications apply to exposure meters containing a light-sensitive element, and indicating electrical instrument, a directional system and a calculator to correlate the meter indications with the camera exposure settings.

Life cycle

NOW

PUBLISHED
ISO 2720:1974
90.93 Standard confirmed
Jun 6, 2026