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

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Glossary

Here are some terms you might encounter while reading this book or working with your Canon EOS 40D.

additive primary colors

The red, green, and blue hues, which are used alone or in combinations to create all other colors that you capture with a digital camera, view on a computer monitor, or work with in an image-editing program, such as Photoshop. See also CMYK color model.

A-DEP

A Creative Zone mode that analyzes your scene and attempts to choose an f/stop and focus distance that will allow all the important subjects to be in sharp focus.

Adobe RGB

One of two color space choices offered by the Canon EOS 40D.Adobe RGB is an expanded color space useful for commercial and professional printing, and it can reproduce a larger number of colors. ...

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