Want to Learn the History of ISO Speeds?

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The Canon Professional Network has an Infobank article called "Exposure settings: ISO speed in the digital age" which explains the history and develpment of our photographic light-sensitivity standard.
 
I found the article both interesting and informative, so I thought I'd share it. [Sean]
Posted: 1/31/2014 10:03:13 AM CT   Posted By: Sean
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