Graves, Carson 1947- The zone system for 35mm photographers : a basic guide to exposure control / Carson Graves - 2nd ed. - Boston, Mass. : Focal Press, c1997 - 130 p. : ill. (some col.) Includes bibliographical references and index ISBN: 0240802039 Subjects--Topical Terms: ZONE SYSTEM (PHOTOGRAPHY)35MM CAMERAS LC Class. No.: TR591 / G728Z 1997