Optical Formulas Tutorial Author:Ellen D. Stoner, Patricia Perkins Ideal for students and professionals preparing to take the certification examination or wishing to quickly brush up on optical formulas, this easy-to-use workbook of optical formulas, definitions, and walk-through problems offers a thorough review of the subject. Optical Formulas Tutorial begins with a brief math review, followed by sections co... more »vering the theory of light, lenses, prisms, and other formulas.« less