Focal length is the optical distance in millimeters between a camera lens and the sensor or film. It determines the height and width of the scene being captured, known as the "field of view." A prime ...

A lens focuses light onto the sensor of a digital camera and is critical to photography. To help you make an informed choice when buying or mounting an optic, we explain some of the most important ...

The Sigma 17-40mm f/1.8 DC is a majorly impressive zoom lens, and fills a huge gap especially for the Canon RF-mount ...

Picking what lens you will be mounting on your camera is one of the most important creative decisions you can make as a photographer. The focal length you choose will significantly affect how the ...

On Apple's iPhone 15 Pro models, users can switch between three preset camera focal lengths when shooting on the main camera. This article explains what they are and how to enable or disable them on ...

Ryne was ostensibly a senior editor at Android Police, working at the site from 2017-2022. But really, he is just some verbose dude who digs on tech, loves Android, and hates anticompetitive practices ...

This is the eye of the camera and is used to capture the image it sees onto the camera's light sensitive film, or CCD in digital camera. The size of lens is measured and indicated as a focal length.

Sports photogs aren't compensating for something by swinging gigantic, monopod-mounted lenses; they need the focal length. Focusing and zooming on outfielders usually means glass far from the camera ...

The Sigma 20mm f/1.4 DG HSM Art lens features an optical design comprising 15 elements in 11 groups, including F low-dispersion (FLD) and special low-dispersion (SLD) elements, alongside super ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Huawei's Pura 80 Pro+ Mobile Phone as part of the Pura 80 series Credit: Huawei's Official Weibo ...