Inside the svelte understated body of the new Sony Xperia 1 IV phone is a telephoto camera lens with tiny elements that can freely move back and forth to zoom in and out. No other phone can do this. Last year's Xperia 1 III had a similar lens, but those tiny lens elements were restricted to one of two positions. And as insanely innovative as the Xperia 1 III's dual-telephoto lens was, in use it didn't provide any real advantage over other phones like the Galaxy S22 Ultra that uses two separate telephoto ...