The OTF is a mathematical entity describing how well the subject is transferred into an image via the lens. This book deals with the theoretical concept of the optical transfer function (OTF), its measurement, and application to imaging devices. It focuses on the practical aspects of using and measuring the OTF.

Navy SEAL Logan Alexander is trying to put his life back together following a career-ending injury in Afghanistan, when he learns that his younger brother has been killed in an ambush in Iraq. With the financial backing of a Kuwaiti billionaire, and a group of like-minded Special Forces operatives, Alexander conceives a plan that takes his team to the Sonora Desert, Europe, and the Middle East, where he comes face-to-face with the man responsible for Cooper's death.