Canon EOS 550D, EOS REBEL T2i > button, Press the <Z, 4 Focus the subject, 3 Select the AF mode, One-ShotAF for Still Subjects, 1 On the lens, set the focus mode switch to <AF

E: Changing the AF ModeN

You can 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 <AF>.

2 Press the <ZE> button. X [AF mode] will appear.

3 Select the AF mode.

Press the <U> key to select the AF mode, then press <0>.

4 Focus the subject.

Aim the AF point over the subject and press the shutter button halfway. The camera will then autofocus in the selected AF mode.

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 dot inside the AF point achieving focus lights briefly in red, and the focus confirmation light <o> in the viewfinder will also light.

With evaluative metering (p.86), 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.

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