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Optical Lens Industry Overview
2024-04-23
Optical lens is a key component of optical imaging system in electronic equipment. Optical lens is also called camera lens or photographic lens, referred to as the lens, its function is optical imaging. From the structural point of view, the optical lens is usually composed of precision hardware, plastic parts, lenses, apertures, drive motors, sensors and other opto-mechanical and electrical devices and lens barrels, and the principle of optical refraction is used to focus the scene that needs to be photographed on the imaging surface (such as film or image sensor chip) to achieve the final imaging effect. Optical lens is an essential component in the optical imaging system, which directly affects the quality of the image, affects the realization and effect of the algorithm, and has been the key component of the optical imaging system in many electronic devices such as security cameras, mobile phones, vehicle imaging and so on.
According to the principle of optical lens characteristics, optical lens can be divided into plastic lens, glass lens, glass plastic hybrid lens three categories. The structure of the optical lens is composed of multiple lenses. Generally speaking, the more lenses, the higher the imaging quality of the lens. Plastic lenses are composed of optical plastic lenses, which are easy to be made into aspheric shapes. They have the characteristics of strong plasticity and convenient miniaturization. They are widely used in mobile phones, digital cameras and other equipment. Glass lenses are composed of glass lenses, which have high technical barriers in manufacturing technology, coating technology, precision processing and other aspects, and have the characteristics of high light transmittance. They are more used in high-end imaging fields, such as SLR cameras, high-end scanners and other equipment; the glass-plastic hybrid lens is composed of some plastic lenses and glass lenses, forming a high refractive index and stability, and is widely used in lens modules such as surveillance cameras, digital cameras and vehicle cameras. Therefore, the optical lens can present different characteristics under different optical lens characteristics.
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