• Journal of Applied Optics
  • Vol. 43, Issue 5, 839 (2022)
Rui LUO and Xiuling LIANG*
Author Affiliations
  • [in Chinese]
  • show less
    DOI: 10.5768/JAO202243.0501002 Cite this Article
    Rui LUO, Xiuling LIANG. Design of large-aperture and wide-spectrum zoom lens[J]. Journal of Applied Optics, 2022, 43(5): 839 Copy Citation Text show less
    2D diagram of initial structure
    Fig. 1. 2D diagram of initial structure
    2D structure diagram of final design results
    Fig. 2. 2D structure diagram of final design results
    MTF curves
    Fig. 3. MTF curves
    Curves of longitudinal aberration
    Fig. 4. Curves of longitudinal aberration
    Curves of distortion
    Fig. 5. Curves of distortion
    Cam curve of zoom system
    Fig. 6. Cam curve of zoom system
    参数
    光谱/nm400~850
    变焦范围/mm30~55
    F1.4
    像素尺寸/µm5×5
    靶面尺寸/mm4.8×3.6
    MTF(@100 lp/mm)≥0.4
    畸变/ %≤±3
    Table 1. Parameter requirements of optical system
    视场/ω焦距/mm
    303540455055
    03.1213.0083.0243.0662.8532.726
    0.53.4612.9682.9823.1202.9942.834
    0.73.7272.9473.0053.2343.2193.091
    13.9713.1953.3803.7934.3284.311
    Table 2. RMS radius of spot diagram of each focal lengthµm
    焦距/mm303540455055
    球差/mm0.01310.00870.00090.00420.00030.0198
    Table 3. Spherical aberration values of six focal segments
    蒙特卡洛样本百分比/%焦距/mm
    303540455055
    ≥900.324 20.330 50.321 70.311 70.304 10.284 4
    ≥800.343 50.352 80.344 20.333 40.333 30.313 4
    ≥500.375 60.391 70.382 20.389 70.382 40.356 9
    ≥200.402 20.425 90.416 00.421 10.422 60.394 4
    ≥100.416 40.437 30.430 30.436 70.438 30.406 2
    Table 4. Results of Monte Carlo tolerance analysis
    半径公差/光圈数厚度公差/mm表面偏心公差/mm表面倾斜公差/(˚)元件偏心公差/mm元件倾斜公差/(˚)表面不规则度折射率公差阿贝常数公差/%
    1±4±0.05±0.02±0.04±0.02±0.1±0.5±0.001±0.8
    2±4±0.05±0.02±0.04  ±0.5  
    3±4±0.05±0.02±0.1±0.02±0.1±0.5±0.001±1
    4±4±0.05±0.02±0.04  ±0.5±0.001±0.5
    5±4±0.03±0.02±0.04  ±0.5  
    6±4±0.03±0.02±0.04±0.02±0.03±0.5±0.0008±0.4
    7±4±0.03±0.02±0.1  ±0.5±0.001±0.6
    8±4±0.03±0.02±0.03  ±0.5  
    9±4±0.05±0.02±0.03±0.02±0.03±0.5±0.001±0.6
    10±4±0.05±0.02±0.1  ±0.5  
    11±4±0.05±0.02±0.04±0.02±0.06±0.5±0.001±1
    12±4±0.05±0.02±0.1  ±0.5  
    13±4±0.05±0.02±0.08  ±0.5  
    14±4±0.05±0.02±0.06±0.02±0.1±0.5±0.001±1
    15±4±0.05±0.02±0.06  ±0.5  
    16±4±0.05±0.02±0.1±0.02±0.1±0.5±0.001±1
    17±4±0.05±0.02±0.1  ±0.5  
    18±4±0.05±0.02±0.1±0.02±0.1±0.5±0.001±1
    19±4±0.05±0.02±0.06  ±0.5±0.001±0.6
    20±4±0.05±0.02±0.06  ±0.5  
    21±4±0.05±0.02±0.06±0.02±0.1±0.5±0.001±1
    22±4±0.05±0.02±0.04  ±0.5  
    23±4±0.05±0.015±0.04±0.02±0.1±0.5±0.001±1
    24±4±0.05±0.015±0.06  ±0.5  
    Table 5. Allowable tolerances for parts
    横坐标/mm303540455055
    变倍组纵坐标/mm66.65461.90657.87954.34851.16448.222
    补偿组纵坐标/mm7.0077.2447.3617.3607.2396.987
    Table 6. Zoom trajectory data
    Rui LUO, Xiuling LIANG. Design of large-aperture and wide-spectrum zoom lens[J]. Journal of Applied Optics, 2022, 43(5): 839
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