Aspheric lenses are highest quality molded and fire polished lenses, designed to minimize spherical aberrations which are of major concern in condensing systems.

我们生产的非球面透镜质量最好，采用火焰抛光透镜，使球面相差最小化-对冷凝系统尤为重要。

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The overall control and test technology for spherical radius of curvature, central thickness, surface accuracy anddecentring error of lenses have been discussed.

讨论超高精度要求的球面曲率半径、透镜中心厚度、球面面形与透镜偏心差等各项指标的综合控制技术与检测方法。

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Plane-parallel and spherical laser resonators with two internal lenses are analyzed, applying beam transformation theory.

用光束传输理论分析了腔内具有两个透镜的平面和球面谐振腔。

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Although very effective spherical lenses exist naturally the human eye, for example researchers have long found it tricky to accurately focus images using lab-made versions.

WSJ: Next Cameras Come Into View

Equipped with three 8-megapixel wide-angle lenses the camera captures an almost spherical field of view.

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