GJC—1型校正望远镜是一种高精度的光学准直测试仪器。由于在光学系统中,选用了无焦系统的物镜组和双象棱镜,使仪器在测量范围内保持测标的成象大小基本一致,并且消除了调焦时的导向误差,从而提高了测量精度。从研制的样机的试验结果表明,仪器的精度、稳定性是良好的,基本上达到了国外同类型产品的精度。图1表示GJC—1型校正望远镜的外形。 GJC-1 calibration telescope is a high-precision optical alignment test equipment. In the optical system, the non-coke system objective lens array and the double-prism are adopted, which make the measurement scale keep the same imaging size and eliminate the guide error during focusing, so as to improve the measurement accuracy. Experimental results from the prototype developed show that the accuracy and stability of the instrument are good and the accuracy of the same type of foreign products is basically reached. Figure 1 shows the outline of the GJC-1 calibration telescope.