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Front facing camera also infrared? The rear facing camera includes infra red illumination, why is this required only for the rear facing camera?

The second camera (the VD-400R) is also designed for mounting on the windscreen pointing back at the occupants or in a van area directed at the cargo hold.  The integrated IR provides illumination in complete darkness to a range of a few meters with Black and White vision.

The VD-400R does not have an IR filter and as such is very sensitive in low light (0.1 LUX) but also presents video with a slight pink colour.

IR when transmitted through glass reflects back into the camera and this is why the mount on the VD-400R actually blocks the IR transmission as the glass angle approaches 90 degs.

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