Fig. 1. RC system structure

Fig. 2. Zoom structure

Fig. 3. Status of each component in the rear zoom structure

Fig. 4. RC initial structure

Fig. 5. Final design result of the system

Fig. 6. Spot diagram of detection zoom position

Fig. 7. Surrounding energy distribution of detection zoom position

Fig. 8. Spot diagram of imaging zoom position

Fig. 9. MTF of imaging zoom position

Fig. 10. Zoom cam curve

Fig. 11. Relative position of each component

Fig. 12. Cam curve sleeve

Fig. 13. Probability graph of MTF descent in meridian and sagittal directions

Fig. 14. Monte Carlo surrounding circle power analysis