A new leak from Evan Blass tells us everything there is to know about the Samsung Galaxy S21 series' camera prowess. The Samsung Galaxy S21 and Galaxy S21 Plus will come with an identical camera setup with three sensors. The Samsung Galaxy S21 Ultra will come with five lenses in total, including a laser autofocus module.
https://www.notebookcheck.net/Samsung-Galaxy-S21-Galaxy-S21-Plus-and-Galaxy-S21-Ultra-camera-configurations-leaked-ahead-of-January-14-launch.513022.0.html
So cheap, they basically sell the same cameras in non ultra this year.
Ultra got 10x zoom, new main camera hw, but sadly regular versions got better hi res still/8Kvideo performance.