Canon EOS50D EOS 50D Instruction Manual - Page 84

f: Selecting the AF ModeN Select the AF mode suiting the shooting conditions or subject. In the Basic Zone modes, the optimum AF mode is set automatically. 1 On the lens, set the focus mode switch to . 2 Set the Mode Dial to a Creative Zone mode. 3 Press the button. (9) 4 Select the AF mode. While looking at the LCD panel, turn the dial. X: One-Shot AF 9: AI Focus AF Z: AI Servo AF One-Shot AF for Still Subjects Suited for still subjects. When you press the shutter button halfway, the camera will focus only once. When focus is achieved, the AF point which achieved focus will flash in red, and the focus confirmation light in the viewfinder will also light. With evaluative metering, the exposure setting will be set at the same time focus is achieved. While you hold down the shutter button halfway, the focus will be locked. You can then recompose the shot if desired. In the Creative Zone modes, AF is also possible by pressing the button. 84