anastigmatic objective

例句：

1. 1. Theastronaut's spacesuit was designed to protect against anastigmatic shocks.
   宇航员的太空服设计用来防护非球面冲击。
2. 2. The camera lens is anastigmatic, which means it focuses light in a way that minimizes distortion.
   相机镜头是非球面的，这意味着它以最小化畸变的方式聚焦光线。
3. 3. The scientist used anastigmatic lenses to improve the quality of her images.
   这位科学家使用非球面透镜来提高她图像的质量。