Calibration device and calibration method for single-tube eyepiece group cemented prism

The invention discloses a calibration device and a calibration method for a cemented prism, which are used for solving the calibration problem that whether the cemented prism can meet the precision requirement after being installed, and comprise a calibration seat, a rotating plate, a reticle, a reticle seat, a support rod, a flat plate, a diopter cylinder, a rectangular prism and a to-be-detected ocular lens front group containing the cemented prism, the correction seat, the supporting rod and the rectangular prism are all fixed on the flat plate, the rotating plate is connected to the supporting rod, the diopter cylinder is connected to the rotating plate, and the reticle, the reticle seat and the front group of the eyepiece containing the cemented prism to be detected are all installed on the correction seat; the rectangular prism is used for calibrating the device; and the to-be-detected ocular lens front group containing the cemented prism reflects a parallel image received by the reticle through the inn