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

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Looking Inside the Viewfinder

Much of the important shooting status information is shown inside the viewfinder of the EOS 40D. As with the status LCD up on top, not all of this information will be shown at any one time. Figure 2.17 shows what you can expect to see. These readouts include:

  • Spot metering reference circle. Shows the circle that delineates the metered area when Spot Metering is activated.

  • Autofocus zones. Shows the nine areas used by the 40D to focus. The camera can select the appropriate focus zone for you, or you can manually select one or all of the zones, as described in Chapter 4.

  • Auto exposure lock. Shows that exposure has been locked. This icon also appears when an automatic exposure bracketing sequence is in process.

  • Flash ...

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