ISO 2721 : 2013(R2018)现行
PHOTOGRAPHY - FILM-BASED CAMERAS - AUTOMATIC CONTROLS OF EXPOSURE
出版：International Organization for Standardization
专家解读视频
Describes the exposure at the focal plane of film-based cameras for values of two exposure parameters, i.e. field luminance and film speed, and also describes methods of evaluating other photometric characteristics, such as the acceptance angles of the photoelectric system.
BS ISO 2721 : 2013 - Identical
DS ISO 2721 : 2013 - Identical
DS ISO 2721 : 2013 - Identical
BS ISO 2721 : 2013 - Identical
BIS IS 15046 : 2001(R2017) - Identical
NEN ISO 2721 : 2013 - Identical
NEN ISO 2721 : 2013 - Identical
