Photoshop CS4 for Windows and Macintosh: Visual QuickStart Guide

17. Refocus

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In This Chapter

Using the Lens Blur filter 265

Using the Motion Blur filter 268

Changing the focus with a vignette 270

Using the Lens Correction filter 272

Using the sharpening filters 274

Photographers use focusing techniques to orchestrate a scene, such as blurriness to convey motion or a shallow depth of field to contrast an in-focus subject with its background. In Photoshop, you can apply similar special effects (e.g., blur areas that were previously in focus) or correct for photographic errors (e.g., sharpen an image that lacks focus). In this chapter, you’ll apply the Lens Blur ...