An optical lens/optics glass is a lens or set of lenses used in an optical system to focus or image light. They are used in a wide variety of applications including photography, videography, microscopes, telescopes, eyeglasses, and photolithography.

Optical lenses are made from lens materials such as glass, plastic, or optical grade transparent crystals. Each lens has specific optical characteristics such as focal length, aperture, angle of view and aberration. These characteristics determine the image quality of the lens, the scene of use and the method of use.

The design and manufacture of lenses requires a high degree of technical and specialized knowledge. Designers need knowledge of optical principles, material properties and manufacturing processes in order to produce high-quality lenses. The manufacturing process requires precise machining and grinding equipment to ensure the accuracy and quality of the lens.

Optical lenses are vital to the modern technology industry. In the field of photography and videography, high-quality lenses produce high-quality images, which are vital for movie production, advertising, and photography. In the field of science, lenses are used to observe and study microscopic and macroscopic phenomena such as cells, astronomy and materials science. In the field of lithography, lenses are key components in the manufacture of integrated circuits, and their quality directly affects the performance and reliability of chips.

The history of optical lenses can be traced back to the 17th century, when lenses were used to magnify reading and optical instruments. With the development of science and technology, lens technology continues to progress, resulting in many new technologies and designs, such as zoom lenses, autofocus lenses and wide-angle lenses.

Overall, optical lenses are an important part of the modern technology industry. High-quality lenses enhance imaging quality, improve observation and research, and advance the science and technology industry.