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ISO Has Nothing to Do with Exposure: A Technical Explanation

Photographer Chris Lee of the YouTube channel pal2tech recently released one of the most straightforward technical explanations of ISO that we've seen. In this 12 minute video, he explains what ISO is and, just as importantly, takes on a couple of common misconceptions by explaining what ISO is not.

Back to the Basics: ISO and Noise Explained

As photography technology continues to improve year in and year out, the ISO ranges we’re capable of pulling quality images from are getting truly ridiculous. But as amazing as the improvements in ISO are, it's important to have an understanding of what ISO actually is and how you can make the most of these growing numbers.

It's those questions that Mike Wallace tackles in the detailed video above, as he breaks down that part of the exposure triangle that is all too often misunderstood or ignored altogether.