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

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2. Canon EOS 40D Roadmap

The Canon EOS 40D has an amazing number of buttons and dials and knobs—and that’s actually a good thing. While it might take you some time to learn the position and function of each of these controls, once you’ve mastered them this camera is remarkably easy to use. That’s because dedicated buttons with only one or two functions each are much faster to access than the alternative—a maze of menus that must be navigated every time you want to use a feature.

For example, if you need to change the ISO setting on your 40D, would you rather press the ISO button and spin the Main Dial until the desired value appears on the LCD—or would you prefer tapping a menu button, using cursor keys to locate the ISO setting submenu, pressing ...

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