iPhone 18 Pro may bring Apple’s first variable aperture

Apple’s iPhone 18 Pro and iPhone 18 Pro Max are expected to get a variable-aperture camera, a long-rumored upgrade that would be a first for the iPhone lineup.

A camera’s aperture is the opening in the lens that lets light in. Today’s iPhones use a fixed aperture, so the camera has to rely on exposure changes and software processing to handle bright and dark scenes. A variable aperture would add mechanical control over how much light reaches the sensor.

For most people, the clearest benefit could show up in outdoor video. In strong sunlight, current iPhones often need very fast shutter speeds to avoid overexposure, which can make motion look overly crisp or slightly jerky. By narrowing the lens opening in bright conditions, a variable-aperture system could preserve highlights and produce motion blur that looks more natural.

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It could also help with still photography. In good light, photos may look sharper, especially toward the edges, while Portrait Mode shots could produce a more realistic bokeh effect instead of leaning as heavily on computational rendering.

What remains unclear is whether Apple would let users adjust the aperture themselves or handle it automatically in the background. That decision would shape whether the feature feels like a manual photography tool or simply a behind-the-scenes image-quality upgrade.

According to MacRumors, Apple is expected to introduce the iPhone 18 Pro and iPhone 18 Pro Max in September, alongside its first foldable iPhone.