The Oppo Find X7 Ultra is the first phone with two periscope zoom cameras
There was a time when smartphone makers rushed to quad-camera claims, most of which did so by throwing in a mediocre fourth camera — usually for macro shots, if not a monochrome filter or just a depth sensor. Nowadays, though, we are blessed with legit quad "main" cameras on some flagship phones, so brands need to be more creative to further differentiate themselves. In Oppo's case, it decided to feature not just one, but two periscope telephoto cameras on its new Snapdragon 8 Gen 3-powered Find X7 Ultra, as a leap from…