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Canon® EOS Rebel XSi/450D Guide to Digital SLR Photography by David D. Busch

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Choosing a Focus Mode

You can easily switch between automatic and manual focus by moving the AF/MF switch on the lens mounted on your camera. However, if you’re using a Creative Zone shooting mode, you’ll still need to choose an appropriate focus mode. (You can read more on selecting focus parameters in Chapter 5.) If you’re using a Basic Zone mode, the focus method is set for you automatically.

To set the focus mode, press the AF button (it’s the right cross key) on the back of the camera repeatedly until the focus mode you want is selected (see Figure 1.12). Then press Set to confirm your focus mode. The three choices are

  • One Shot. This mode, sometimes called Single Autofocus, locks in a focus point when the shutter button is pressed down halfway, ...

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