ISO-12232 Complete Document History
Photography - Digital still cameras - Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index

Complete Current Edition:
   3RD EDITION - Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index - Feb. 1, 2019
   FOR 3RD EDITION AMENDMENT 1 SEE - ISO-12232-AM1 - June 1, 2020

Obsolete Revision Information:
   2ND EDITION REPRINT - CORRECTED AND REPRINTED - Oct. 1, 2006
   2ND EDITION - RATINGS, STANDARD OUTPUT SENSITIVITY, & RECOMMENDED EXPOSURE - April 15, 2006
   1ST EDITION - PHOTOGRAPHY - ELECTRONIC STILL - Aug. 1, 1998