iPhone 18 Pro Variable Aperture: Five Things It Does Not Change

The iPhone 18 Pro is the first iPhone with an aperture that moves, and the four stops Apple lists, f/1.48, f/1.8, f/2.8 and f/4.0, are a genuine first. What they are not is a change to the whole camera system: the mechanism sits on one lens of four, and a good deal of the phone works exactly as it did before. At the narrow end of the range, more...