How Do I Do That in Photoshop?

Sharpen My Image?

Click on the Detail icon (it's the third one from the left) beneath the histogram and, at the top of the panel, you’ll find the Sharpening controls. The Amount slider controls the amount of sharpening (please forgive me for explaining what this slider does). The Radius slider determines how many pixels out from an edge the sharpening will affect, and I usually leave this set at 1.0. If I run into an image that needs to be super-sharp, I’ll occasionally move it up to 1.2, or even as high as 1.3, but that’s about as high I’ll go. ...