像散和像面弯曲,像散和像面弯曲,xiangsan he xiangmian wanqu,弯曲,xiangsan,wanqu,xiangmian,[拼音]:xiangsan he xiangmian wanqu[外文]:astigmatism and curvature of the field两种像差。离光轴很近的物点以很小孔径,即很细的...