Make up - Worth1000 Tutorials. Adobe Photoshop High Pass Sharpening tutorial. Guide to Image Sharpening. Image sharpening is a powerful tool for emphasizing texture and drawing viewer focus.
It's also required of any digital photo at some point — whether you're aware it's been applied or not. Digital camera sensors and lenses always blur an image to some degree, for example, and this requires correction. However, not all sharpening techniques are created equal. When performed too aggressively, unsightly sharpening artifacts may appear.