The iPhone 18 Pro is the first iPhone model to feature a variable aperture, a headlining feature for this year’s Pro models. An adjustable aperture has been an invaluable tool for photographers on professional and prosumer camera systems, and its absence from mobile cameras has become increasingly conspicuous as everything else on these devices has leveled up.
There have been a handful of phones over the years that featured a variable aperture system for their main camera. However, the feature never stuck around long enough to enter the lexicon of the average smartphone user, as most…