Book excerpt: PHOTOGRAPHIC EQUIPMENT & TECHNIQUES. As the craze for travel to new and exotic places increases, so does the desire to capture these experiences with digital camera in hand: the scenic vistas, the unique architecture, the people who inhabit the landscape. In this magnificent new study, award-winning National Geographic photographer Bob Krist examines the technological aspects of shooting digitally on location and explains how to select the right equipment, from cameras and lenses to flashes and tripods. He offers tips for saving, backing up and sending images on the road and gets to the heart of what it takes to portray the true spirit of the subject. He poses such questions as: What makes a truly great photograph? How can you create a well-rounded portrait of a place through its geography, people and culture? The answers are all illustrated with the author's collection of stunning travel photographs to inspire along the way.