This book offers an in-depth technical presentation of photography and details about the inner workings of the digital camera, while keeping the artistic principles in mind. Departing from the current stream, the book treats photography as a highly scientific and technical subject, and serves as a reference to those who seek for an understanding of the technical aspects relating to the photographic camera, the beating heart of photography. It offers insight on why the photographs are created the way they are, highlighting also the limitations. As the author of this book is an image technology scientist and a photography enthusiast who has been teaching photography for a long time, this treatise reflects his own constant search and study for an in-depth understanding.