Dodge and burn like a pro
The technique of selective lightening and darkening has been central to photography for over a century. In the days of film, areas of a print could be shielded from the light of an enlarger, or ‘dodged’. Conversely, the light could be focused on to smaller areas to ‘burn’ them in.
Photoshop makes this technique easier with dedicated Dodge and Burn tools. The Dodge tool
