Apple introduces variable aperture and more AI tools for creators

Apple unveiled a variable-aperture main camera and additional AI tools for creators at its "Surprise and Shine" event on Wednesday. The iPhone 18 Pro and iPhone 18 Pro Max now feature a main camera with a variable aperture, allowing creators greater control over light, focus, and image quality. Unlike previous iPhones with a fixed aperture, the iPhone 18 Pro can physically adjust the opening size based on the scene.

To achieve this feat, Apple utilized a system of six laser-cut blades, thinner than a human hair, made from a specialized polymer composite. These blades enable the aperture to open up to 50% more in low light conditions and close down to manage exposure while maintaining focus in brighter environments. This mechanical innovation grants creators more creative control over depth of field and a more cinematic look without relying solely on digitally simulated background blur.

Beyond the moment of capture, Apple is extending this flexibility through features like applying Cinematic mode effects to regular video after recording and supporting 60 frames per second footage slowed to half speed. This empowers creators to apply creative treatments during editing, rather than striving for perfect settings while filming.

A new addition to Apple's efforts is the "Apple Reference Image," a hardware-backed authentication system that captures unique sensor data at the moment an image is taken. This includes a pixel-level signature, creating a secure digital negative linking the final image to the camera that captured it. This reference helps creators prove that a photograph originated from a real iPhone camera, addressing the challenge of verifying the authenticity of photos in an era dominated by AI-generated content.

Photographers can access the dedicated Reference mode in the Camera app, and upon verification, authenticated images receive a Reference badge visible on iPhones, iPads, or Macs.