Back Light Compensation BLC
(Key Camera Specification)
Back Light Compensation BLC used in CCD security cameras will automatically bring more detail to darker areas of an image when bright light shining from behind obscures it. The electronic shutter of the camera basically adjusts its exposure to try to allow for more light to be allowed in the darker areas. Most of your better security cameras will have this feature available that you can turn on or off.
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With developments in technology there are now WDR or Wide Dynamic Range cameras that can handle these high contrasting light situations much better. Sensor manufacturer Pixim Technologies is leading the way in making superior cameras for use in difficult lighting situations.
Click here to learn more about WDR technology and Pixim cameras.
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