What is Exposure? What can affect illuminance?
How do camera settings influence exposure?

Describe how the aperture size relates to the size of the lens opening.
How does the amount of light allowed through the lens influence a photograph?
Describe a situation that you might want to adjust the f-stop for your photograph? What benefit would you gain?

What is the shutter?
How do the shutter speed numbers relate to the time the shutter is open?
If you were to set the shutter speed for a long opening, what effects might you notice in your photographs? Why?