[参考資料]

NANYANG SENBA-------------------------
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Fresnel
Lens
Model: S9013
[参考資料]
Products specification
Overall size :17.8mm
Focal length :9mm
Detect range : 8m
Detect angle 120°
Color : transparence 透明
Material: HDPE
Dimension(mm)
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Detect range(m)
[参考資料]
Horizontal range
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Vertical range