HIKVISION DS-2CD883F-E Installation Manual page 9

Installation Manual of Network Camera

Make sure that there is no reflective surface too close to the camera lens. The IR light from the
camera may reflect back into the lens causing reflection.

The foam ring around the lens must be seated flush against the inner surface of the bubble to
isolate the lens from the IR LEDS. Fasten the dome cover to camera body so that the foam ring
and the dome cover are attached seamlessly.
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