The book "Technology of optical instrumentation" by A. C. Capricorn is a unique work that immerses the reader in the fascinating and complex world of optics and technology behind the creation of optical devices. This work will be a real discovery for students, graduate students, engineers and anyone interested in modern technologies and their application in various fields of science and technology. In his book, Kozeruk shares in-depth knowledge about the principles of optical devices, their design and production technologies. The author considers both historical aspects of the development of optical instrumentation and modern achievements in this field. Readers will be able to learn about how devices such as microscopes, telescopes, lasers and many other devices are created, which play a key role in scientific research and everyday life. The book will be especially interesting for those who are fond of physics, engineering and technology. Students of technical specialties will find in it useful materials for preparing for exams and writing term papers . Engineers and specialists in the field of optics will be able to deepen their knowledge and expand their professional horizons. In addition, the book can attract the attention of science lovers who seek to understand how the devices that surround us in everyday life work. The topics raised in the book cover a wide range of issues related to optical technology. Kozeruk discusses not only the theoretical foundations, but also practical aspects, such as the choice of materials, processing and assembly methods, as well as testing and quality control of optical devices. An important aspect is also the consideration of new technologies, such as nanophotonics and quantum optics, which open new horizons for the development of optical instrumentation. The author's style is distinguished by clarity and accessibility of presentation, which makes complex concepts understandable even for readers who do not have deep knowledge in the field of physics. Capricorn uses many illustrations and diagrams that help to visualize the material and make reading more fascinating. His approach to learning is based on the principle that understanding the basics is the key to successfully mastering more complex topics. In addition to "Optical Instrumentation Technology", A. C. Kozeruk is the author of other significant works on optics and engineering. His books and articles are often cited in scientific circles, which confirms the high level of his expertise and respect for colleagues. Readers interested in a deeper study of optics may also turn their attention to his other publications, which highlight various aspects of this fascinating science. Thus, the “Technology of optical instrumentation” is not just a textbook, but a real encyclopedia of knowledge that will help readers understand how optical devices work and what technologies are behind their creation. This book will be an indispensable assistant for anyone who wants to deepen their knowledge in the field of optics, as well as for those who seek new discoveries and innovations in the world of technology. If you are looking for quality literature on optical instrumentation, this book definitely deserves your attention.