Huawei redefined mobile photography this week with the unveiling of its P30 flagships. The phones also adopted OLED acoustic screens and reduced the size of the notch. Let's take a closer look. The 125mm periscope telephoto camera is the crown jewel of the Huawei P30 Pro. It has a fixed focal length, but advanced image processing and data taken from the high-resolution 40MP SuperSpectrum sensor provides a smooth zoom from 1x to nearly 5x (optical), 10x (hybrid) and 50x (digital). SuperSpectrum refers to a custom sensor from Sony that uses yellow pixels instead of blue. The main...