There are three ways to control the light coming into your camera—aperture, shutter, and ISO. But why do we need three ways if they're all doing the same thing? Couldn't we do with just one? True, the main effect of changing any of these is how bright your photo turns out, but interestingly, each one also has a side effect, and it's different for each.
In the next few tips, we'll look at these side effects and see how this opens up creative possibilities for us.