Smartphone periscope lenses enable zooming beyond 2-3x. Google Pixel phones use the technique to achieve up to 5x optical zoom, while Samsung uses it for the 10x telephoto lens on its Ultra devices, and countless other brands have followed suit. Apple is also rumoured to include a periscope lens in its next iPhone. OnePlus is working on a “periscope arrangement” that is currently being tested. It’s unclear what optical zoom level OnePlus is aiming for, but the fact that the company is finally getting on board is encouraging.
