Fig. 1. Schematic of aberration contribution when optical element is tilted

Fig. 2. Focal plane tilt caused by misalignment of plane-field optical system

Fig. 3. Schematic of offset field curvature compensation method

Fig. 4. Optical system of a space camera

Fig. 5. Image quality of optical system design. (a) MTF curve of optical system; (b) wave aberration coefficient of optical system

Fig. 6. MTF of optical system using focal-plane tilt compensation and tilt angle of focal plane

Fig. 7. Process of optical system alignment

Fig. 7. Schematic of assembly focal plane and position coordinates of measuring points

Fig. 8. Auto-collimating interference test site

Fig. 10. MTF test site and fringe image

Fig. 11. MTF measurement results of group A focal plane

Fig. 12. Optimal position of focal plane by group linear fitting

Fig. 13. Comparison of MTF before and after focal plane amendment