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Nikon D7500 For Dummies by Julie Adair King

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Chapter 5

Controlling Focus and Depth of Field

IN THIS CHAPTER

check Understanding autofocusing options

check Choosing a specific autofocusing point

check Tracking focus when shooting moving subjects

check Taking advantage of manual-focusing aids

check 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.

Setting the Basic Focusing Method

Assuming that your lens supports both manual and autofocusing with the D7500, you need to take two steps to specify the focusing method you prefer:

  • Set the lens to automatic or manual focusing. Most lenses have a switch with two settings: A (or AF) for autofocusing and M (or ...

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