Xiaomi may have been talking a lot about the cameras on its new 15 Ultra phone at this year's Mobile World Congress, but it had another bit of mobile camera tech up its sleeves. In essence, it's a camera unit that attaches to the back of a phone,

Xiaomi 15 Ultra redefines mobile photography with a 200MP sensor, Leica tech, and pro-level accessories. See why it’s a game-changer.

With the 15 Ultra, Xiaomi took the best and made it better with a new 200-megapixel periscope lens to complement the other (largely unchanged) cameras.