Chapter 5

Controlling Focus and Depth of Field


Understanding autofocusing options

Choosing a specific autofocusing point

Using continuous autofocusing to track a moving subject

Taking advantage of manual-focusing aids

Choosing the best focusing options for Live View and movie shooting

Manipulating depth of field

To many people, the word focus has just one interpretation when applied to a photograph: Either the subject is in focus or it’s blurry. But an artful photographer knows that there’s more to focus than simply getting a sharp image of a subject. You also need to consider depth of field, or the distance over which other objects in the scene appear sharply focused. This chapter explains how to manipulate both aspects of an image.

After a reminder of how to set your lens to auto or manual focusing, the first part of the chapter details focusing options available for viewfinder photography. Following that, you can get help with focusing during Live View photography and movie recording. A word of warning: The two systems are quite different, and mastering them takes time. If you start feeling overwhelmed, simplify things by following the steps laid out at the beginning of Chapter 3, which show you how to take a picture in the Scene Intelligent Auto exposure mode, using the default autofocus settings. Then return another day to study the focusing options discussed here.

Things get much easier (and more fun) at the end of the chapter, where I explain how to control ...

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