Apple has unveiled a new feature for its iPhone 18 Pro, called Apple Reference Image, which it claims will help users verify the authenticity of their photographs. The feature works by capturing signed sensor data from the main camera sensor, which is then turned into an unalterable image viewable in the Photos app. The reference image can be compared with other versions of the photo to determine if any changes have been made. While the feature will initially be viewable only in the Photos app, Apple is making APIs available to developers so they can integrate the feature into their own apps. This move comes as part of the company’s focus on camera upgrades, with the iPhone 18 Pro boasting a 48 megapixel fusion main camera and a variable aperture that allows more control over the amount of light entering the lens.

Apple has also announced support for the SynthID standard, which will help people determine if images were created or altered with AI. This move is significant for photojournalists and photographers who rely on the authenticity of their work. The company says the iPhone 18 Pro includes its biggest camera improvement in years, with the variable aperture on the new 48 megapixel fusion main camera being a notable feature. To achieve this, Apple has developed a system of six laser-cut blades, each thinner than a human hair and made from a specialized polymer composite, a new rotor mechanism to control movements, and a custom-designed lens.

The new feature is a response to the growing concern over the use of AI in creating and altering images, which can lead to misinformation and fake news. However, some critics argue that such measures are merely a PR move to assuage public fears about the use of AI and that the technology will continue to evolve in ways that challenge our understanding of what is real.