IR Reflection Troubleshooting Guide
An inherent design risk of a dome camera with built-in infrared is the possibility of IR reflection, or IR bleeding. It's an issue we see sometimes with non-EXIR cameras - with the IR LEDs house in the same dome as the camera lens, you can see the IR being reflected off of the dome and blinding the lens. Indeed, even a fingerprint on the dome can ruin the IR quality. This often results in a bright white image at...
IR Reflection Troubleshooting Guide (blurry night image)