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Exam details
The art and science of capturing light to create images.
Greek "phos" (light) + "graphē" (drawing) — "drawing with light."
Aperture, shutter speed, ISO — the three factors controlling exposure.
The opening size of the lens controlling light entry.
In f-stops (e.g., f/1.4, f/2.8, f/4, f/8, f/16).