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 ...

Because the lens focal length is factored in, an aperture of f/5.6, for example, will deliver exactly the same exposure regardless of the lens or sensor or camera system.

Variable aperture has been around since the mid-1800s, but only on dedicated cameras. Now it makes its smartphone debut on the Samsung Galaxy S9 and S9 Plus.

For example an 18-200-mm F3.5-F6.5 lens might reach its maximum F6.5 aperture limit from 120-mm onward. Examples of photos using wide apertures Some examples of photos taken with wide apertures ...

Buying the right camera, lens, accessory or software to suit your photography is really important. Our product reviews offer independent views with hands-on opinion and honest verdicts aimed to ...

One major upgrade for the 2026 high-end iPhone 18 is the wide-camera lens upgrading to a variable aperture camera, significantly enhancing the user photography experience.

Sigma's 18-35mm was the world's first f/1.8 zoom lens when it launched in 2013. Its bright maximum aperture and zoom range versatility was key to its success – it could be the o ...

Making photos of people and pets is one of the main reasons anyone buys a camera. A portrait lens—usually a prime (non-zoom) lens with a wide aperture and a focal length between 70mm and 105mm ...

The Sigma 18–50mm f/2.8 DC DN Contemporary offers more zoom range and a wider maximum aperture than the kit lens your camera came with. Erin Roberts for NYT Wirecutter.