On the basis of analyzing the characteristics of image formation of image rotator prisms, a method of using a mirror assembly for image rotator is suggested.

• 以对像旋转器类棱镜的分析为基础，提出了用反射镜组作像旋转器的方法，并通过理论推导，证明该反射镜组具有像旋转器的作用。