Learn how to say Overexposure correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word overexpose:
expose too much, especially to the public eye or to risk:
many UK banks were overexposed to overseas lending risks
Photography expose (film or a part of an image) for too long a time:
the sunlit background is overexposed
you’ll need to overexpose by a stop or more to stop whites being reproduced as grey