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Laser & Optoelectronics Progress, Volume. 58, Issue 19, 1922003(2021)

Telecentric Light Path Design for Sniper Rifle Telescopic Sight with Long-Eye Distance

Benyou Xu1,3, Yuan Zhong2, Zhen Li1,3, Zongcun Zhang3、*, Weitao Mao1,3, Mingliang Yao1,3, Yi Wang5, and Xu Zhang4
Author Affiliations
  • 1Nantong Academy of Intelligent Sensing, Nantong , Jiangsu 226001, China
  • 2Academy of Military Sciences PLA China, Beijing 100091, China
  • 3Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
  • 4School of Materials Science & Engineering, Jiangsu University, Zhenjiang , Jiangsu 212013, China
  • 5College of Mechanical and Electronic Engineering, Shanghai Jian Qiao University, Shanghai 201306, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
    Equations (8)
    References (9)
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    Figures & Tables(10)
    Structure of objective set

    Fig. 1. Structure of objective set

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    Structure of eyepiece set

    Fig. 2. Structure of eyepiece set

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    Light path of objective set

    Fig. 3. Light path of objective set

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    Telecentric angle distribution curve of image side in semi FOV of objective set

    Fig. 4. Telecentric angle distribution curve of image side in semi FOV of objective set

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    Image quality of objective set. (a) Spot diagram; (b) diffraction MTF curves; (c) vertical aberration; (d) grid distortion

    Fig. 5. Image quality of objective set. (a) Spot diagram; (b) diffraction MTF curves; (c) vertical aberration; (d) grid distortion

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    Light path of eyepiece set

    Fig. 6. Light path of eyepiece set

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    Image quality of eyepiece set. (a) Spot diagram; (b) diffraction MTF curves; (c) vertical aberration; (d) grid distortion

    Fig. 7. Image quality of eyepiece set. (a) Spot diagram; (b) diffraction MTF curves; (c) vertical aberration; (d) grid distortion

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    Light path of total lens

    Fig. 8. Light path of total lens

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    Image quality of total lens. (a) Spot diagram; (b) diffraction MTF curves; (c) vertical aberration; (d) grid distortion

    Fig. 9. Image quality of total lens. (a) Spot diagram; (b) diffraction MTF curves; (c) vertical aberration; (d) grid distortion

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    • Table 1. Overall target of scope

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      Table 1. Overall target of scope

      ParameterValueParameterValue
      Wavelength range /nm400-760Exit pupil diameter /mm5
      Magnification10Eye distance /mm>80
      Entrance pupil diameter /mm50Mechanical strenght /mm<450
      FOV /（°）2.2Aberration rate /%<4
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    Benyou Xu, Yuan Zhong, Zhen Li, Zongcun Zhang, Weitao Mao, Mingliang Yao, Yi Wang, Xu Zhang. Telecentric Light Path Design for Sniper Rifle Telescopic Sight with Long-Eye Distance[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1922003

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Jan. 27, 2021

    Accepted: Mar. 2, 2021

    Published Online: Oct. 14, 2021

    The Author Email: Zhang Zongcun (zongcunzhang2015@163.com)

    DOI:10.3788/LOP202158.1922003

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology