GalaxyClub has revealed possible details about the Galaxy A82's cameras. It is unclear if Samsung's flagship A-series smartphone will feature a sliding design like the Galaxy A80, though. However, the Galaxy A82 should feature either the Sony IMX682 or IMX686 as its primary camera.
https://www.notebookcheck.net/Samsung-Galaxy-A82-camera-details-revealed-with-a-64-MP-Sony-primary-sensor.528393.0.html