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TYPE LENS - how to recognize them
In the sensor package there are 3 types of lenses:
- Horizontal curtain lens (Fig. 1)
- Vertical curtain lens (fig. 2)
- Volumetric curtain lens (fig. 3)
FIG. 1
On the sensors are mounted, by default, on the PIR1 (top) the volumet-
ric lens and on the PIR2 (bottom) the horizontal curtain lens. In the next
section it's explained how to use the different types of lenses.
FIG. 2
FIG. 3
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