ISO 2720 : 1974(R2016)现行
PHOTOGRAPHY - GENERAL PURPOSE PHOTOGRAPHIC EXPOSURE METERS (PHOTOELECTRIC TYPE) - GUIDE TO PRODUCT SPECIFICATION
出版：International Organization for Standardization
专家解读视频
Defines calibration levels and test conditions for general purpose photoelectric exposure meters which measures reflected light or incident light, or both, in determining photographic exposure for camera use.
DIN 19017 : 1991 - Identical
BIS IS 10917 : 1984(R2001) - Identical
NAPM IT3.302 : 0 - Identical
BIS IS 10917 : 1984(R2001) - Identical
DIN 19017 : 1991 - Identical
NAPM IT3.302 : 0 - Identical
