Two years ago, at MWC, OPPO impressed everyone with its stabilized 5X optical zoom cameras, but the company never released any commercial versions. Meanwhile, a 10X optical zoom version is ready to be showcased at this year's MWC, and it looks like OPPO could actually integrate these lenses in some upcoming handhelds.
https://www.notebookcheck.net/OPPO-will-showcase-its-10X-optical-zoom-smartphone-cams-at-MWC-2019.394871.0.html