Basic Optics and Optical Instruments

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This training manual for Navy personnel (Opticalman 3 & 2) offers comprehensive coverage of optics theory and applications. Newly revised, it presents concepts with clarity, balancing theory and practical application. The manual begins with an introduction to the Opticalman rating and discusses light characteristics, focusing on wavelengths, reflection, and refraction. It includes detailed chapters on image formation by mirrors, lenses, and prisms, explaining thin and thick lenses, the lens formula, and image location in optical instruments. Additionally, it covers the mechanical construction, maintenance procedures, and machining operations of basic optical instruments, along with chapters on maintenance, basic instrument repair, machine shop practices, and the upkeep of optical and navigation equipment, night vision sights, gunsights, and submarine periscopes. A four-part appendix features a glossary, common optical repair formulae, metric system prefixes and symbols, and units of measurement with equivalents and conversions. Illustrated with 370 charts, diagrams, photographs, and tool drawings—including cross-sections revealing inner workings—this manual is organized and clear. While intended for U.S. Naval training schools, it serves as a valuable basic text in optics for standard technical schools and is beneficial for laypersons seeking to understand optics fundamentals.