Black balancing, sometimes referred to as black shading, of a camera’s sensor should be performed regularly in accordance with manufacturer provided guidance.
For optimal results, please allow the camera to reach its normal operating temperature prior to performing the sensor calibration.
The black balancing/shading procedure defines an imaging system’s proper black level given its current operating state and may reduce the visibility of misbehaving pixels while operating under fluctuating temperature ranges.
To ensure this process is performed correctly, please refer to the instructions in your camera’s operating manual.