CarmineCrown , via OnePlus 8T , Nov 25, 2020 : On the left bottom corner youll see three-circle icon for filters. Click the icon, and in the menu scroll to the last one, which enables the 2mp monochrome camera. I hope they bring the camera option out of there to be more accessible and less deceiving of a "filter"
BEN_LUVS_CHICAGO , via OnePlus Community App , Nov 25, 2020 : Under the camera settings there are options for you to choose on what type of photo you would like to take