You Probably Didn't Know This About Your Camera's ISO

The ISO level on your camera is a number that refers to the sensitivity of a scene. It's been standard for many, many years. And for a long time, it's also not really been understood by most photographers. "I don't need a flash, I'll just crank the ISO up," is a very false statement. That's not how ISO works. And more importantly, that's not how flash works. So we're going to talk about this a bit.