弯月透镜

胶片的曲率是和弯月透镜后面的反射镜同心的。

The curvature of the film is concentric with the mirror behind the meniscus .

本文在前人研究的基础上，提出了用柱透镜与弯月透镜实现半导体激光器光束整形的方法。

Put forward the semiconductor laser beam plastic realized by cylindrical lens and crescent lens method on the basis of previous studies .

分析fθ透镜的光学系统设计方面的一些问题，叙述由多片分离的弯月形透镜构成的超广角大口径fθ镜头的设计。

Some design problems in an optical system with f θ lens are analysed , and the design of super wide angle and large aperture f θ lens which consists of separate multi element meniscus lenses is described .

树脂镜片的镀膜分析弯月形厚透镜的基点和基面

Analysis on Coating of Colophony Eyeglass The cardinal point and cardinal plane of lune thick-lens

用非对称介质厚透镜基点位置公式讨论了弯月形厚透镜基点位置对透镜系统参数的依赖关系；

The cardinal point formula of thick lens of unsymmetrical medium has been derived . The relation between the cardinal points of the lune thick lens and the lens parameters has been reviewed .