Fig. 1. Ratio of different object-image projection relations

Fig. 2. Structure diagram of curved bionic compound eye system

Fig. 3. Principle diagram of compound eye positioning

Fig. 4. Schematic diagram of different arrangement models. (a) Rectangular arrangement; (b) ring arrangement; (c) hexagonal arrangement

Fig. 5. Adjacent sub-eye field overlap schematics. (a) 0°<δ<60°; (b) δ=60°; (c) 60°<δ≤110°; (d) 110°<δ<120°

Fig. 6. Structured light path diagram of sub-eye lens

Fig. 7. MTF curve of sub-eye system

Fig. 8. Spot diagram of sub-eye system

Fig. 9. Curved sub-eye array layout

Fig. 10. Relay system structure light path diagram

Fig. 11. MTF curve of relay system

Fig. 12. Directional light path diagram of main array of compound eye system

Fig. 13. Spot diagram and MTF curve of the central sub-eye channel (ω=0°). (a) Central sub-eye channel spot diagram; (b) MTF curve of central sub-eye channel

Fig. 14. Spot diagram and MTF curve of the edge sub-eye channel (ω=66°). (a) Edge sub-eye channel spot diagram; (b) MTF curve of edge sub-eye channel

Fig. 15. Field curvature and distortion of sub-eye channels in different fields of view. (a) Field curvature and distortion of sub-eye channel in central field of view; (b) field curvature and distortion of sub-eye channel in edge field of view