Design of Zoom Eyepiece Optical System with Reversed Image Function

Chunhua Luo; Minglei Zhang; Shunrui Liu; Jingzhou Cong; Tianjiao Luo

doi:10.3788/LOP55.032201

Laser & Optoelectronics Progress, Volume. 55, Issue 3, 032201(2018)

Design of Zoom Eyepiece Optical System with Reversed Image Function

Chunhua Luo¹, Minglei Zhang^、*, Shunrui Liu¹, Jingzhou Cong¹, and Tianjiao Luo¹

¹ Opto Electronics Branch, College of Optical and Electronical Information, Changchun University of Science and Technology, Changchun, Jilin 130114, China

¹ School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China

¹ Sunny Optical Technology (Group) Co., LTD, Ningbo, Zhejiang 315400, China

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Fig. 1. Zoom eyepiece of negative focal length three-group and 4×zoom

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Fig. 2. Structure diagram of long focal length system

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Fig. 3. Structure diagram of medium focal length system

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Fig. 4. Structure diagram of short focal length system

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Fig. 5. MTF curve of long focal length

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Fig. 6. MTF curve of short focal length

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Fig. 7. Distortion of long focal length

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Fig. 8. Distortion of short focal length

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Fig. 9. Lateral chromatic aberration of long focal length

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Fig. 10. Lateral chromatic aberration of short focal length

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Fig. 11. Zoom group versus compensation group

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Table 1. Specifications of zoom lens
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Table 1. Specifications of zoom lens
Parameter Specification
Zoom ratio 4×
Focal length range /mm -10(f/4)-40 (f/8)
Wavelength band /nm 486-656
Full field of view /(°) 48
Entrance pupil diameter /mm 2.5-5
Distance of exit pupil /mm >14

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Chunhua Luo, Minglei Zhang, Shunrui Liu, Jingzhou Cong, Tianjiao Luo. Design of Zoom Eyepiece Optical System with Reversed Image Function[J]. Laser & Optoelectronics Progress, 2018, 55(3): 032201

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