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为改进一个八个透镜单元的弹道摄影物镜的性能,按其改进顺序,对六个设计方案给出了具有代表性的说明和性能评价。这个物镜用 LASL 程序进行了重新设计。该程序用追跻光线的方法对物镜的性能做了统计地分析,并且用最小二乘法把像的亏损降到最小。具有最佳性能的这个设计采用了普通的低折射率玻璃。
To improve the performance of a ballistic lens with eight lens elements, a representative description and performance evaluation of the six design options are given in the order of their improvement. This objective was redesigned with the LASL program. The program uses chasing rays to do a statistical analysis of the performance of the objective lens and minimizes the loss of the image using the least square method. The design with the best performance uses ordinary low-index glass.