{
  "id": 7242521,
  "title": "iPhone 18 Pro and Pro Max variable aperture camera explained — here's what it actually does",
  "url": "https://urgent.news/2026/09/14/iphone-18-pro-and-pro-max-variable-aperture-camera-explained-heres",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-14T04:30:00.000Z",
  "source": {
    "name": "Tom's Guide",
    "slug": "tom-s-guide",
    "url": "https://www.tomsguide.com/phones/iphones/iphone-18-pro-and-pro-max-variable-aperture-camera-explained-heres-what-it-actually-does"
  },
  "original_language": "en",
  "account": "The iPhone 18 Pro and Pro Max cameras introduce a groundbreaking feature: a variable aperture system. Unlike previous iPhones that had fixed apertures on their main cameras, this new system allows photographers to control the aperture mechanically, offering four distinct aperture values: f/1.48, f/1.8, f/2.8, and f/4.0. This variable aperture system, similar to the human eye, adjusts the amount of light entering the lens based on the shooting conditions.\n\nUsing the variable aperture system provides several benefits. A wide aperture of f/1.48, like a large pupil, allows more light to hit the sensor, resulting in better low-light performance. This feature reduces image noise, enhances shadow detail, and enables faster shutter speeds, making it easier to capture clear images in dark environments. Conversely, a smaller aperture of f/4.0 reduces the amount of light entering the lens, allowing for a greater depth of field. This is ideal for portraits, landscapes, and group shots, as it keeps subjects in focus while creating a soft background blur. It also enables the use of longer shutter speeds, which can help freeze motion in fast-moving scenes, such as pets playing or children running. The variable aperture system thus offers photographers greater creative control and flexibility in various shooting scenarios, making it a significant advancement in iPhone photography.",
  "summary": "By adding a variable aperture to the 48MP main camera, the iPhone 18 Pro and Pro Max give shooters new creative ways to capture and more control of the light.",
  "key_points": [
    "iPhone 18 Pro/Pro Max features variable aperture camera system",
    "Four aperture values: f/1.48, f/1.8, f/2.8, f/4.0",
    "Variable aperture improves low-light, depth of field, motion capture"
  ],
  "editors_take": "The iPhone 18 Pro and Pro Max's variable aperture system gives photographers greater creative control and flexibility by allowing mechanical control over light intake, benefiting low-light performance and depth of field.",
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}