The OPPO Find X3 Pro is an upcoming 2021 flagship phone depicted as having iPhone-esque rear cameras set in a smooth, probably glass, casing. These esthetics have surfaced again in what the leaker Evan Blass has presented as real live images of the device. Blass has also supplied new levels of details on its sensors and their specs.
https://www.notebookcheck.net/The-latest-OPPO-Find-X3-Pro-leak-seems-to-confirm-its-design-and-rear-camera-set-up.518335.0.html