Variable aperture will allow iPhone users to take better photos than ever, but the system it was built on is hair-thin with moving parts.
Apple says the iPhone 18 Pro has a 48MP Fusion Main Camera with variable aperture. It’s optimized for portrait capture at f/1.8 and can open wider for more dynamic shots.
The system was built using six laser-cut blades that are each thinner than a human hair. The rotor mechanism helps move the blades automatically, while the lens is custom-made for the feature.
Photographic Styles has also been upgraded with options to control grain and texture. There are also more options for white balance.
The trouble with the system is it appears incredibly delicate. While it is safe behind the sapphire glass of the iPhone lens, it will be interesting to see if it runs into problems later. If the user repeatedly drops the iPhone, the shock could knock something loose or jam the rotor.
We can’t speak on overall durability without time and testing, but Apple’s description of the new camera system appears promising. iPhones have always shot with the aperture set to a low f-stop, hence the great bokeh when close to a subject, but that also means poor lower light performance and out-of-focus people in the background.
The physical movement of the shutter allows users, or the iPhone, to adjust light gathering capabilities and depth of field on the fly. The f-stop options are f/1.48, f/1.8, f/2.8, and f/4.0.
For example, if you’re taking a group shot in decent to good lighting, f/4.0 will ensure everyone is in focus, though light performance will drop. Dim environments and singular subjects will warrant wider apertures down to the f/1.48 setting.
The iPhone 18 Pro and iPhone 18 Pro Max is the first advanced camera system for iPhone that lets users control all three sides of the exposure triangle through various settings. The updated Camera app allows users to address aperture and shutter speed directly, while ISO seems to be tied to other settings, but may have its own setting as well.
Third-party apps will have the ability to expose all of these controls and more. For everyone from casual photographers to pros, the iPhone 18 Pro offers the best control over the end result yet.
That said, it remains to be seen exactly how much this small range of variable aperture will affect iPhone photography. While it is a great addition, almost every other aspect like new Photographic Styles and more advanced Camera app options are coming to other iPhone models.
This story originally appeared on Appleinsider
