ISO 517:1996被替代
Photography - Apertures and related properties pertaining to photographic lenses - Designations and measurements
出版：International Organization for Standardization
专家解读视频
KS B 5409:2013 - Modified
KS B 5408:2013 - Modified
JIS B 7094:1997 - Equivalent
JIS B 7095:1997 - Equivalent
KS B 5425:2013 - Modified
KS A ISO 517:2002 - Identical
DIN ISO 517 (2002-07) - Identical
JIS B 7106:1997 - Equivalent
