or a tree blowing in the wind.

Then look at the metadata for each image.

You'll probably see the iPhone

quietly choosing different shutter speeds

depending on what it thinks is happening.

The goal isn't to memorize numbers.

The goal is to start predicting

what the camera is going to do

before you press the shutter.

When you can look at a scene and think, open quote,

the camera is probably around 1,500 sec here.

Close quote, you're beginning to think like a photographer

rather than just a camera operator.

One quick question before we move on.

If you took a landscape of the Peak District

and wanted everything from the foreground grass

to the distant hills sharp,

which of the three controls would you change first and why?