Photoshop Video Tutorial - Levels - Non Destructive Editing

The more we know about a subject, the further we want to push ourselves to create the unimaginable. Before long we're building complex compositions from a single flat image, and the more complex we get, the more scope we need for readjusting settings that looked perfect five edits ago but no longer stand the test of time. The world of non-destructive editing inside levels brings about a whole new concept to an already able set of editing techniques.