Alright, it's been a year since we asked, so it's time to check if opinions have changed. What kind of dual camera setup do you prefer? Or even a triple camera setup - we'll let you vote for multiple options in this poll. If there's a clear winner, then just one extra camera is enough. If there are a couple of popular options, then a triple camera is needed to cover all bases. Last year, monochrome secondary sensors won by a thin margin. They were important in boosting low-light performance, but they may not be so relevant today. Apertures have reached f/1.5 on the Galaxy S9 and S9+....
Source: https://www.gsmarena.com/weekly_poll_what_kind_of_dual_or_triple_camera_setup_is_best-news-32088.php