30 Days of Photoshop – Day 25
Blur, Sharpen & Smudge Tools
Three tools bunched together in the left hand toolbar: Blur, Sharpen and Smudge.
How does sharpening actually work? What’s happening within the software?
Understand this, and you’ll understand why you can’t really sharpen a blured image. Sharpening isn’t a cure for all your out-of-focus photographs but it can increase the appearance of sharpness in those parts of your image that already exhibit some degree of detail.
As we’ll see, blur works in the opposite way to the sharpening process.
Finally we’ll look at what the Smudge tool does.
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