Adobe® Creative Suite® 4 Design Premium All-in-One for Dummies®

Chapter 6. Thinking about Resolution Basics

In This Chapter

• Understanding resolution basics

• Adjusting file size

• Applying the Unsharp Mask filter to your image

Something as important as getting the right resolution for your images deserves its own chapter, but fortunately, the topic isn't all that complex. In this chapter, you discover the necessary resolution for various uses of Photoshop imagery (from printing a high-resolution graphic to e-mailing a picture of your kids to Mom), how to properly increase the resolution, and how to adjust image size.

Having the proper resolution is important to the final outcome of your image, especially if you plan to print that image. Combine the information here with using the correction tools that we show you in the Chapter 7 of this minibook, and you should be ready to roll with great imagery.

Creating Images for Print

To see and make changes to the present size and resolution of an image in Photoshop, choose Image

Tip

The Width and Height text fields in the Pixel Dimensions area of the Image Size dialog box are used for on-screen resizing, such as for the Web and e-mail. The Width and Height text fields in the Document Size area show the size at which the image will print. The Resolution text field determines the resolution of the printed image; a higher value means a smaller, more finely detailed printed image.

Before you decide upon a resolution, understand ...