Dirty dome if the glass dome is dirty the dirt can reflect infrared into the camera lens.
Infrared camera window glare solution.
Whilst this is fine during the day the night image is extremely poor presumably because a lot of the ir light is being blocked by the double glazing.
1 your camera is indoors looking through a window.
Ir cameras cannot be mounted behind any other glass.
Get separate ir illuminators for infrared night vision security cameras and put ir illuminators outside.
This allows infrared lights to be cast in an area without actually visibly lighting the area.
The image at right show one example of another camera s infrared causing glare.
I was looking for a cheap way to cut down on the amount of sunlight that comes in through the windows in my shop but still let me see out clearly.
If you have the camera looking through a window the ir will bounce of the window.
It happens when the front of a security camera is positioned too close to a wall or eaves.
Infrared glare also called ir glare is a common issue in security cameras with night vision.
Disable ir light at night to reduce ir security camera window glare reflection.
Choose a window mount security camera when using through or behind a glass window.
2 for cameras with a glass dome cover you need to make sure the led lights on the ir board are not being obstructed by the camera body.
This is similar to throwing a ball straight at a wall that is perpendicular or angled to the trajectory of ball.
Because infrared isn t visible to the human eye you don t even notice and your camera can use that ir light to record video at night.
Infrared light is capable of shining through the glass but it will still create a reflection on a window which can hinder the security cameras image.
How to stop ir reflection is a question that may come up when setting up your infrared security camera.
Cameras that shine infrared on the same area or on an area that is at the edge of another camera s field of view can cause glare.
One or more ir leds blast out as much light as possible acting as a floodlight.
I have disabled the ir leds so as to avoid any window glare and have illuminated my driveway with an external ir spotlight with a range of 10 metres which is the length of the driveway.
This video demonstrates the ir glare phenomenon and how to prevent it when mounting a security camera.