What types of lenses are available

Concave and convex lenses can be further subdivided into many different types, including spherical lenses with circular surfaces, aspherical lenses with curved but aspherical surfaces, cylindrical lenses with an arched back, annular lenses shaped like doughnuts, and Fresnel lenses with washboard surfaces. On these lenses, light rays are refracted on the surface of the lens. However, there are other types of lenses, including self focusing lenses that produce optical effects with a stepwise refractive index (the stepwise refractive index is generated by the lens material, not by the refraction of the lens surface) and diffractive lenses that utilize the phenomenon of light wave dispersion. Self focusing lenses are commonly used in endoscopes, and diffractive lenses are commonly used in CD and DVD players.



Hanzhong Brisun Optics Co., Ltd. Is the high precision optical element manufacturer provides customized production of Various optical lenses, including spherical lens, cylindrical lens, optical window, mirror, prism, filter, metal base mirror and other high-precision optical elements. The base materials include various optical glass, fused quartz, calcium fluoride (CaF2), zinc selenide (ZnSe), germanium (GE), silicon (SI), sapphire, metal and other materials. And provide antireflective film, high reflection film, spectroscopic film, metal film and other optical coatings.

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