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 ...

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 ...

It's a telephoto prime with a built-in teleconverter, letting photographers switch between two focal lengths in seconds. Here ...

This article is the third in a series teaching the basics of photography. We started by learning about the properties of light and how an image is created, and we also learned how a lens bends light ...

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 ...

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 ...

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 ...