Cheat Sheet

Canon Digital Rebel XSi/450D For Dummies

The Canon EOS Digital Rebel XSi/450D is a very versatile camera. You can choose the fully automatic mode and use the Rebel XSi/450D as a point-and-shoot, or you can go old-school and fine-tune settings exactly as you like. The many features of the camera let you take control of your photographs.

Features of the Canon EOS Digital Rebel XSi/450D

The following figures offer a handy guide to the buttons, dials, and other external features on your Canon EOS Digital Rebel XSi/450D. Note that the lens shown is the Canon EF-S 18–55mm IS (Image Stabilization) model sold with the XSi/450D; other lenses may not have the same features.

From the photographer’s viewpoint.
From the photographer’s viewpoint.
Looking down at the camera.
Looking down at the camera.
The flash, focus, and access buttons, switches, and port.
The flash, focus, and access buttons, switches, and port.

Controls marked with an asterisk have multiple functions.

Automatic Exposure Modes for the Canon EOS Digital Rebel XSi/450D

The Canon EOS Digital Rebel XSi/450D has a range of fully automatic exposure modes. In these modes, which are shown in the following table, you can choose between automatic or manual focusing, but you have little or no control over most other picture-taking settings.

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The Canon Digital Rebel XSi/450D's Advanced Exposure Modes

The five advanced exposure modes of the Canon EOS Digital Rebel XSi/450D give you more control over your camera settings than you get using the automatic modes. In P, Tv, Av, and M modes, you can adjust aperture (f-stop) to manipulate depth of field (the zone of sharp focus) and adjust shutter speed to determine whether moving objects appear sharply focused or blurry. In all five modes, you also can tweak color, ISO (light sensitivity), and exposure.

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