This standard specifies a total of 1028 terms related to basic optics, including geometric optics, physical optics, image quality assessment, optical components and processes, optical instrument names, optical measurements, and product technical requirements. This standard is applicable to the formulation of optical instrument standards, the preparation of technical documents, the preparation of textbooks and publications, and the translation of literature. Note: The words in square brackets [] in this standard are omittable words; Enclosed in parentheses () for explanation. 2 Basic Terminology of Optics 2.1 Optical Optics: In physics, the study of the nature, generation, transmission, reception, and interaction between light and matter of light radiation. 2.2 Geometrical optics is a branch of the optical discipline that studies the propagation of light and the imaging laws of optical systems based on the approximate concept of light. 2.3 Physical optics is a branch of the optical discipline that studies the nature of light radiation. 2.4 Wave Optics is a branch of the optical discipline that elaborates on phenomena such as image formation, interference, diffraction, and polarization using the wave theory of optical radiation. 2.5 Quantum Optics is a branch of the optical discipline that studies the interaction between light radiation and matter based on the quantum properties of light and quantum theory. 2.6 Crystal Optics is a branch of the optical discipline that studies the propagation laws and various polarization effects of light radiation in crystals, especially in anisotropic crystals. 2.7 Fiber Optics is a branch of the optical discipline that studies the propagation of light radiation in optical fibers. 2.8 Electronic Optics The discipline of studying the motion and imaging of electron beams under the action of electric, magnetic, or electromagnetic fields. 2.9 Spectroscopy is a branch of the optical discipline that studies spectral theory and its applications