Adobe 65016169 - Photoshop CS4 Extended Tutorial page 27

SHARPENING
If your digital photos are slightly out of focus, you can use the basic sharpening technique to make
your images look crisper. To sharpen your photo, follow the steps below:
1. Open an image you wish to sharpen. Note that this technique can sharpen images
that are only slightly blurry.
2. Use the
that is, at 100%.
In the main menu, go to Filter> Sharpen>
3.
Unsharp Mask dialog box (Fig. 1).
Enter 125 for the Amount, 1 for the Radius, and 3 for the Threshold.
4.
5. Click OK. You will see how the image has become more in focus.
SOFTENING
Sometimes you might not want objects or people in your photos look too sharp, in this case you can
use a softening technique. To soften am image, follow these steps:
1. Open the image you wish to soften.
2. In the main menu, choose
called Background
3. In the main menu, go to
box, type 4.0 for Radius, or drag the slider to the position (Fig. 2).
Zoom Tool
to make sure you are viewing your image in its full size,
Fig. 1. Unsharp Mask dialog box
Layer
Copy.
Filter
>
Fig. 2. Gaussian Blur
Unsharp Mask. You will see the
> Duplicate Layer. You will have a new layer
Blur Gaussian Blur. In the Gaussian Blur dialog
>
Adobe Photoshop CS4 p. 27