ISO Doesn't Work How You Think It Does! And This Changes Everything

ISO is one of the most misunderstood settings on a camera. You've probably been told that increasing ISO makes your camera's sensor more sensitive to light. But technically… that's not what is happening. And while the highly technical explanation of ISO is absolutely correct, it isn't always particularly helpful when you're actually standing there trying to take a photograph. In this episode of Coffee Break Photography, Rich Dyson explains ISO in practical, everyday photography terms.