Ron Bigelow - Untitled (pdf) I highly recommend the Sharpening chapter, which can be found in the Photoshop subfolder. He breaks down all the types of sharpening in a progressive order from simple to complex in a clear and concise way. I have no reference link to the book because there is none. Mega link removed. Account suspended.
Thank you. I read some of Rob“s material on internet a long time ago. The sharpening material is one of those