O'Reilly logo

Canon EOS 40D Guide to Digital Photography by David D. Busch

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

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-DRIVE button on the top panel of the camera (see Figure 1.11), and spin the Main Dial until the mode you want appears in the status LCD. 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, and the focus confirmation light ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required