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This book is a comprehensive technical treatise on binoculars as visual optical instruments. The author begins by discussing the function of binoculars and the properties of human visual perception. Theoretical models for the synthesis of binoculars and the complex interplay of the different components of binoculars are described. Subsequently, the performance limits, as experienced by the observer in a variety of external conditions, are derived. In the concluding section, the book takes the reader outdoors, where they learn to evaluate the properties and limitations of their binoculars in the field, and to recognize possible problems that may be due to manufacturing errors or accidental damages. Thus, a level of knowledge is provided that will enable the reader to fully exploit the capacities of their binoculars. This book is written for those who work professionally with binoculars and are technically interested, but it is equally useful for professional staff working in the optical industry and the distribution of optical instruments. It includes recent discoveries and is easily accessible to anyone who is seriously interested in learning about binocular function. High school level math is useful to understand the derivations, but not needed to comprehend the results, which are discussed and displayed graphically.
"Decades of experience concentrated into the highest possible SNR." - Stephen F. Tonkin, Author Binocular Astronomy "Bill Cook is a seasoned optical professional who has perfected 'everything binocular' with his no nonsense approach to straightening the curves of understanding concerning them. With an unmatched writing style, his vignette on Collimation vs. Conditional Alignment is spot on!" - Gail Fisher, Repair Manager, Swarovski Optik "I have gone through your book and I am amazed - it should be printed asap! It was not only fun to read, but also highly educational and absolutely worth studying, even for the experienced binocular user." - Holger Merlitz, Professor of Theoretical Physics and Astrophysics, Xiamen University, Xiamen, Fujian, PR China. "This is an important book and one that should be read by engineers, binocular users, collectors, dealers, and manufacturers." - Paul R. Yoder, Fellow Member of SPIE and OSA, Co-Author Field Guide to Binoculars and Scopes Written for any serious user, "Binoculars: Fallacy & Fact" provides a fascinating look at the world of binoculars by someone who knows binoculars inside and out. And when I say inside, I mean truly inside as Bill Cook has spent his career adjusting and repairing binoculars. Bill knows his stuff and he is not afraid to clarify the facts and to share his honest opinions with us. The book comes across as a casual conversation making it an easy read but chock-full of information illuminated by personal anecdotes. - John E. Greivenkamp, Professor, College of Optical Sciences, University of Arizona "Going through the US Navy Opticalman "A" School with Bill, serving with him aboard USS Grand Canyon, and later working with him at Captain's Nautical Supplies in Seattle, I can attest that you'll not find a man more passionate or knowledgeable about optics and binoculars. Any odd-ball questions asked by the novice or self-proclaimed expert are quickly answered in a straight-forward and accurate manner. This book goes well beyond the ever-regurgitated numbers and gets into the facts of how it all works." - Cory A. Suddarth, President, Suddarth Optical Repair "When it comes to optics, think Bill Cook. I have known him for several decades and his credentials are as strong as they come. When a question arises that I am unsure of, he is one of the first to be called on among the dozen or so experts I trust. Bill is not out to protect brands and factories when they continually mislead consumers about their products. Instead, he tells it like it is - straight and honest - even when manufacturers get upset when they hear the truth. This book will not only be helpful for those thinking about purchasing a binocular, but also those who want to learn more about the instrument they have now." - Alan Hale has served as C.E.O. and President of Celestron and is currently Chairman Emeritus of the company. Alan is the author of "Sport Optics - Binoculars, Spotting Scopes, and Riflescopes"
Fair, witty appraisal of cranks, quacks, and quackeries of science and pseudoscience: hollow earth, Velikovsky, orgone energy, Dianetics, flying saucers, Bridey Murphy, food and medical fads, and much more.
A Concise Guide to Collecting and Restoring Vintage Binoculars (Third Edition) is a short, introductory guide that should be particularly suitable for beginners who would like to build a collection of vintage or previously owned binoculars and would like advice on how to carry out servicing and restoration tasks at home.
Describes the structure and special features of a variety of binoculars and telescopes and discusses the use of these instruments for studying birds, stars, architecture and in other activities.
"Test your knowledge True False Beer has more calories than milk. Every fourth year is a leap year. Turkey's can't fly. Cleopatra, Queen of the Nile, was an Egyptian. They Pygmies are a tribe in Africa. The Druids built Stonehenge. Nero fiddled while Rome burned. Napoleon was defeated at Waterloo. Old Faithful erupts faithfully every sixty minutes. If you answered TRUE to any of these questions ... SURPRISE! You're wrong! And this is only a small taste of the over 900 popular delusions that are deliciously debunked in this endlessly entertaining compendium of fascinating and fun facts."--BOOK COVER.
The most popular flat Earth book ever written, translated into over 20 languages, 200 Proofs Earth is Not a Spinning Ball inspired by John Carpenter's 19th century opus "100 Proofs Earth is Not a Globe," doubles the number of natural scientific evidences proving Earth is not a tilting, wobbling, spinning space-ball.Wolves in sheep
A number of authors have noted that if some physical parameters were slightly changed, the universe could no longer support life, as we know it. This implies that life depends sensitively on the physics of our universe. Does this "fine-tuning" of the universe suggest that a creator god intentionally calibrated the initial conditions of the universe such that life on earth and the evolution of humanity would eventually emerge? In his in-depth and highly accessible discussion of this fascinating and controversial topic, the author looks at the evidence and comes to the opposite conclusion. He finds that the observations of science and our naked senses not only show no evidence for God, they provide evidence beyond a reasonable doubt that God does not exist.
Formal logic provides us with a powerful set of techniques for criticizing some arguments and showing others to be valid. These techniques are relevant to all of us with an interest in being skilful and accurate reasoners. In this highly accessible book, Peter Smith presents a guide to the fundamental aims and basic elements of formal logic. He introduces the reader to the languages of propositional and predicate logic, and then develops formal systems for evaluating arguments translated into these languages, concentrating on the easily comprehensible 'tree' method. His discussion is richly illustrated with worked examples and exercises. A distinctive feature is that, alongside the formal work, there is illuminating philosophical commentary. This book will make an ideal text for a first logic course, and will provide a firm basis for further work in formal and philosophical logic.
Through the use of humour, fun exercises, and a plethora of innovative and interesting selections from writers such as Dave Barry, Al Franken, J.R.R. Tolkien, as well as from the film 'The Matrix', this text hones students' critical thinking skills.