R Barry Johnson: 2 books

Thoroughly revised and expanded to reflect the substantial changes in the field since its publication in 1978 Strong emphasis on how to effectively use software design packages, indispensable to today’s lens designer Many new lens design problems and examples – ranging from simple lenses to complex...

Intelligence professionals are employees of the government working in a business that some would consider unethical_the business of spying. This book looks at the dilemmas that exist when one is asked to perform a civil service that is in conflict with what that individual believes to be 'ethical.'...