Fig. 1. Schematic diagram of continuous zoom area array scanning infrared optical system

Fig. 2. Simplified model of continuous zoom area array scanning optical system

Fig. 3. Structure diagram of continuous zoom optical system

Fig. 4. MTF curves corresponding to short focal length when ƒ′ is 60 mm

Fig. 5. MTF curves corresponding to middle focal length when ƒ′ is 200 mm

Fig. 6. MTF curves corresponding to long focal length when ƒ′ is 600 mm

Fig. 7. MTF curves of scanning edge

Fig. 8. MTF curves corresponding to different temperatures when long focal length ƒ′ is 600 mm

Fig. 9. Displacement curves of zoom groups and compensation groups

Fig. 10. Exterior imaging effect of continuous zoom system