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ISO 2720:1974
ISO 2720:1974 Photography – General purpose photographic exposure meters (photoelectric type) – Guide to product specification
CDN $115.00
Description
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.
Edition
1
Published Date
1974-08-01
Status
PUBLISHED
Pages
7
Language
English
Format
Secure PDF
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Abstract
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.
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