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Exam details
Photography is the art and science of creating images by recording light, either electronically using digital sensors or chemically using film.
Photography comes from Greek roots 'phos' (light) and 'graphé' (drawing), meaning 'drawing with light'.
The exposure triangle consists of aperture, shutter speed, and ISO, which together control the brightness and quality of an image.
A camera is a light-tight device that captures images by focusing light onto a sensor or film through a lens.
Analog photography uses film to chemically record light, while digital photography uses electronic sensors to capture and store images as data files.