Folding Optical System Design for Monocular Binocular Night Vision Devices

Table 1. Main parameters of the objective lens
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Table 1. Main parameters of the objective lens
指标名称参数值
视场角/(°) 50
焦距/mm 20.1
入瞳直径/mm 15.5
畸变/(%) -8.23
光谱范围/nm 470~920

Table 2. Binocular parallax during the adjustment of diopter

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Table 2. Binocular parallax during the adjustment of diopter

视度	左目镜视场角/(°)	右目镜视场角/(°)	差值/(')
+3SD	24.929	24.982	-3.18
+2SD	24.956	24.993	-2.22
+1SD	24.982	25.003	-1.26
0 SD	25.008	25.013	-0.30
-1SD	25.034	25.022	0.72
-2SD	25.059	25.031	1.68
-3SD	25.083	25.040	2.58
-4SD	25.100	25.048	3.12
-5SD	25.109	25.056	3.18

Table 3. Main parameters of the eyepiece
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Table 3. Main parameters of the eyepiece
指标名称左目镜右目镜
视场角/(°) 50 50
焦距/mm 20.23 20.20
畸变/(%) -8.18 -8.15
出瞳距离/mm 20 20
出瞳直径/mm 9 9
光谱范围/nm 480~630 480~630

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Jide ZHOU, Yimeng DOU, Liangwei SUN, Fan YANG, Chaojie LYU, Kangkai XU. Folding Optical System Design for Monocular Binocular Night Vision Devices[J]. Optoelectronic Technology, 2023, 43(3): 243

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