Sony's Xperia 1 IV is the first smartphone with a periscope lens that allows for true variable optical zoom. But the cameras are not the only area where the Japanese manufacturer breaks new ground, which may appeal to certain buyer groups. https://www.notebookcheck.net/Review-verdict-on-Sony-s-Xperia-1-IV-flagship-The-perfect-niche-smartphone.639540.0.html
im waiting on the next Pro-i2~