18.09.2026 12:09 Uhr, Quelle: Macrumors

iPhone 18 Pro: Using the New Variable Aperture Lens

Like the iPhone 17 Pro models, the new iPhone 18 Pro and iPhone 18 Pro Max have three rear cameras – a 48MP Fusion Main lens, an 8x48MP Telephoto lens, and a 48MP Ultra Wide lens. They also share the same focal lengths and resolutions as their predecessors. The big upgrade this year though is the new variable aperture on the Main camera. Let's dive in. Aperture is what controls how much light enters the lens and hits the sensor. If too little light hits that sensor, images tend to be blurry and/or grainy. To compensate, the shutter has to stay open longer, or it has to turn on Night Mode. The problem with this approach is that the longer the shutter stays open or Night Mode is engaged, the more likely that the imagery will be blurry. Even still photos can lack sharpness and definition. The solution is to use a variable aperture lens that is physically able to let more or less light in depending on the shot, which in turn allows for variations in shutter speed. The iPhone 18 Pro models can do this auto

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