Professionals and advanced-level amateurs seeking to push the envelope and enhance the creativity of their shots are shown how to add mood and manipulate color in their images with this guide. Using a technique known as off-camera flash, digital photographers discover how to alter a viewer's perception through the use of shadows to mask certain details or to draw attention to a specific feature with a simple beam of light. From a survey of the gear required to create these effects and a detailed description of how the basic techniques are executed to more challenging instruction such as close-