Learn more about Ansel Adams in this "Yosemite and the Range of Light" Autographed Book. His black-and-white landscape photographs of the American West, especially Yosemite National Park, have been widely shown in calendars, posters, and books With Fred Archer, Adams developed the Zone System as a way to determine proper exposure and adjust the contrast of the final print. The resulting clarity and depth characterized his photographs. Adams primarily used large-format cameras because their high resolution helped ensure sharpness in his images. Adams founded the photography group known as Group f/64 along with fellow photographers Willard Van Dyke and Edward Weston. Comes with certificate of authenticity.