Fig. 1. Dual-optical path test system

Fig. 2. Typical center-deviation of optical lens group

Fig. 3. Spherical inclination

Fig. 4. Center-deviation of spherical lens

Fig. 5. Center-deviation of aspherical lens

Fig. 6. Single-sided centering method of no-mirror seat

Fig. 7. Mirror seat method

Fig. 8. Adjustment scheme of aspherical surface

Fig. 9. MTF test results of 0° field of view

Fig. 10. MTF test results of −7.8° field of view

Fig. 11. MTF test results of +7.8° field of view

Fig. 12. MTF test results of 0° field of view

Fig. 13. MTF test results of −7.85° field of view

Fig. 14. MTF test results of 7.85° field of view