books by William P. Ewald     books:     William P. Ewald      Practical Optics William P. Ewald, Arthur W. Young, ... Image Makers of Pittsford, 1983 Excellent introduction to optics This book is an excellent introduction to optics; from basic ray tracing, f-stops, color correction, etc. It has information on binocular, telescopes, mirrors and other items of daily interest. Highly recommended.          search for books optics, practical      toavi.com    web randomly chosen book: The Doors of Perception and Heaven and Hell (Perennial Classics)