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。该反射镜组的优点在于能够适用于不同的工作波段范围，尤其适用于红外系统。 Based on the analysis of the object-like spinner prism, a method of using a mirror as an image rotator is proposed. The theoretical derivation proves that this mirror has the image-like rotator effect. The advantage of this mirror set is that it can be used in different working wavelength range, especially suitable for infrared system.