This document provides a summary of basic camera functions including lenses, autofocus, drive modes, and shooting modes. It discusses different types of lenses like wide-angle, telephoto, and zoom lenses. Autofocus modes like one shot, AI servo, and manual focus are explained. Drive modes like single shot, continuous shooting, and self-timer are covered. Finally, the basic shooting modes found on the mode dial are summarized, including portrait, landscape, and sports modes. Creative modes that offer more manual control are also introduced.