ISO
From Nikonians Wiki
The International Organization for Standardization (ISO), based in Geneva, is a worldwide federation of national standards bodies from over 150 countries, one from each country. ISO is a non-governmental organization established in 1946. The mission of ISO is to promote the development of standardization and related activities in the world with a view to facilitating the international exchange of goods and services, and to developing cooperation in the spheres of intellectual, scientific, technological and economic activity. ISO's work results in international agreements, which are published as International Standards. "ISO" is not an acronym, it is a word, derived from the Greek isos, meaning "equal", which is the etymological root of the prefix "iso-" that occurs in a host of terms, such as "isometric" (of equal measure or dimensions) and "isonomy" (equality of laws, or of people before the law). As applied to photographic film or digital sensors, it refers to its speed or sensitivity in conjunction with a number, like ISO 100, twice as "fast" as ISO 50.
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