Optical lens mold supplier china introduces optical glass
Release time:
2023-01-19 13:31
Source:
Optical lens mold supplier china tells you that optical glass refers to glass that can change the propagation direction of light and change the relative spectral distribution of ultraviolet, visible, or infrared light. Optical lens mold supplier china tells you that optical lenses are lenses made of optical glass. The definition of optical glass is that it has specific requirements for optical properties such as refractive index, dispersion, transmittance, spectral transmittance, and light absorption, and has uniform optical properties.
Optical lens mold supplier china tells you that optical lenses mainly include glass and resin. Glass sheet has high hardness and is heavy and fragile; resin sheet has strong light transmission, light weight and is not easy to break, and can protect against ultraviolet rays, but has poor wear resistance.
Optical lens mold supplier china tells you that the thickness of the lens depends on the degree and refractive index, the center of the lens is thinner and the periphery is thicker for myopia, and the opposite is true for hyperopia. The higher the degree, the thicker the lens, and the higher the refractive index, the thinner the lens. Those with high refractive errors are best to choose high refractive index lenses.
Through the above introduction and analysis of the Optical lens mold supplier china, hope it helps you.
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