This document provides an introduction to basic photography concepts including different types of cameras, lenses, exposure controls, and composition techniques. It discusses how photography relates to the action of light on sensitive materials to capture images. It also describes common camera types like SLRs and compacts, different lenses for wide angle, normal, and telephoto shots, and how settings like shutter speed and aperture can control the amount of light exposure. Finally, it lists some basic composition rules like rule of thirds and framing to improve image aesthetics.