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3) PIR Camera composition
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①Lens
It has a focal length of 3.8mm and makes it possible for you to observe a relatively wide area.
➁Fresnel Lens
An infrared focusing lens for increasing the sensitivity of the
(Top) | (Bottom) |
2
4
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1
It has a focal length of 3.8mm and makes it possible for you to observe a relatively wide area.
An infrared focusing lens for increasing the sensitivity of the