Third-Party Sharpening Tools
Nearly all photos (and even scanned images) need to be sharpened to a certain degree. Sharpening without losing detail is one of digital photography’s greatest challenges, and effective sharpening tools are critical to the overall success of the workflow. Although Photoshop’s sharpening tools are in a state of constant development, the Unsharp Mask and Smart Sharpen tools are difficult to use and could still be improved.
Photoshop CS2 introduced the new Smart Sharpen filter, which is more powerful and flexible than the standard USM filter (Advanced Sharpening Using Photoshop Layers).
Nowadays, there are a great number ...