Tingting Jiang, Huajun Feng, Qi Li. Design on internal focusing optical system with zoom lens of freeform[J]. Infrared and Laser Engineering, 2021, 50(4): 20200290
- Infrared and Laser Engineering
- Vol. 50, Issue 4, 20200290 (2021)
Fig. 1. Model of the freeform lens
Fig. 2. Effect of the lateral shift δ on lens
Fig. 3. Schematic diagram of internal focusing optical system
Fig. 4. [in Chinese]
Fig. 4. MTF of optical system with different object distance
Fig. 5. Displacement of vertical deflection with different object distance
Fig. 6. Amount of compensation at different image distance
Fig. 7. [in Chinese]
Fig. 7. MTF diagram of optical system with different imaging conditions
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Table 1. [in Chinese]
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Table 2. [in Chinese]
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