1. "Gray Haze" in Night Vision: - Cause: Nearby obstructions, whether in the camera's field of view or not, or strong light sources, can cause infrared reflection back into the lens, resulting in a white, foggy image with a dim background. - Solution: 1. During installation, ensure that there are no cables, brackets, posts, wires, or tree branches obstructing the lens. 2. Maintain a specific an...