JB/T 8254-1999
通用摄影光电曝光表
General purpose photoelectric exposure meters
1999-08-06
JB/T 5196-2014
摄影闪光曝光表
Photography flash exposure meter
2014-05-12
KS A ISO 2720(2017 Confirm)
사진기술 - 범용 사진촬영 노출 계(광전자형) - 제품 규격 지침
摄影－通用摄影曝光计（光电式）－产品规范指南
2002-12-31
KS A ISO 2720(2022 Confirm)
사진기술 - 범용 사진촬영 노출 계(광전자형) - 제품 규격 지침
摄影－通用摄影曝光计（光电型）－产品规范指南
2002-12-31
ISO 2720-1974
Photography — General purpose photographic exposure meters (photoelectric type) — Guide to product specification
摄影与摄影；通用摄影曝光仪（光电型）——产品规格指南
1974-08-01