Bokeh is a new kind of book about cameras designed for the iPad that contains lessons on FOCUS, DEPTH OF FIELD, EXPOSURE, and ZOOM. Each lesson simulates the photographic process on a real scene as you interactively adjust a camera setting. For example, in the focus lesson, as you change the focus ring, the diagram on the left illustrates what happens inside the camera while the photograph of a wooden train changes before your eyes. Each lesson also contains a lengthy technical description. This book will appeal to enthusiasts who want to learn more of the science behind photography and how modern digital SLR cameras function. Focus Lesson Focus Lesson…