Precision Optics Corporation develops and manufactures advanced optical instruments and components for medical devices and defense/aerospace markets. In medical devices, the company designs ultra-high precision endoscopes and custom optical medical instruments for minimally invasive surgery, leveraging proprietary Microprecision™ lens technology and digital imaging expertise; in defense and aerospace, it supplies ultra-high precision optical components, assemblies, and custom products for satellite communications and other applications, complemented by the Ross Optical division's custom lenses, prisms, mirrors, and coated optical components. The company generates revenue through custom systems manufacturing, engineering design services, optical component supply, and laboratory services, selling directly to medical device manufacturers, defense/aerospace companies, and industrial customers who value product quality, delivery speed, innovation tailored to specifications, and access to difficult-to-source optical solutions.