High Pass Filtering / Sharpening

Hi,

There’s a High Pass Sharpening node group available in the link’s blend file. If the method is new to you, below is also an example how it works in Photoshop.

.blend:
http://www.blender-fi.org/wiki/index.php?title=Tiedosto:HighPassNode.blend (the page is in Finnish, but the link should be easy to find)

Photoshop tutorial: