By the end of class students will understand the concept of a "stop" as evidenced by taking 3 photos, each with the same overall exposure, but by increasing the exposure by a stop in one setting, and decreasing the exposure by a stop in another setting.
1/100 1/200 1/100
F4.0 F4.0 F5.6
ISO 400 ISO 800 ISO 800
F4.0 F4.0 F5.6
ISO 400 ISO 800 ISO 800