Welcome to another edition of Let’s Talk Photography! Previously, I mentioned the exposure triangle and the three functions of the camera that make up that triangle; Shutter Speed, Aperture, and ISO.

After disappointment with variable focal-length phone cameras, I was sceptical about the Xiaomi 17 Ultra. Turns out I was wrong; it's superb.

Lens aperture is increasingly up there with megapixels when it comes to the camera specifications that smartphone makers like to boast about, but what exactly do those numbers mean? Here we look at ...

Photo: Charlie Sorrel/Cult of Mac A few days ago, we learned about the iPhone’s shutter, the part of the camera that “opens and closes” to let light onto the sensor. Today, we’re taking an in-depth ...

David is the former Editor-in-Chief of Android Police and now the EIC of Esper.io. He's been an Android user since the early days - his first smartphone was a Google Nexus One! David graduated from ...

The cameras in the iPhone 18 Pro may be the first to gain a variable aperture camera, which could lead to even better image quality. The rear cameras used in the iPhone use a fixed aperture size, but ...

A leaker has jumped on a pair of rumors discussing a change in release schedule and a variable-aperture camera system for the iPhone 18 lineup. After the launch of a new iPhone range, the rumor mill ...

Apple seems set to join a trend started by several Android competitors. The iPhone 18 Pro, expected to go official in 2026, might come with a variable aperture camera system, according to analyst Ming ...

If you're not subscribed to Preston Scott's Camera Technica blog, you should be, and here's why: This is a video shot by Scott showing the aperture blades inside an SLR lens, opening and closing in ...