David Busch's Canon EOS 90D Guide to Digital Photography

Your 90D Roadmap

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One thing that surprises new owners of the Canon EOS 90D is that the camera has a total of 496 buttons, dials, switches, levers, latches, and knobs bristling from its surface. Okay, I lied. The real number is closer to two dozen controls and adjustments, just among the physical components and not counting the virtual controls on the touch screen. But that’s still a lot of components to master, especially when you consider that many of these controls serve double duty to give you access to multiple functions.

Traditionally, there have been two ways of providing a roadmap to guide you through this maze of features. One approach uses a few tiny 2 × 3–inch black-and-white line drawings or photos impaled with dozens of callouts ...