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 ...

Replay: Do we really need to keep using 35mm as our baseline for focal lengths, or is there a much better way? Why do we keep reading descriptions like ‘3.7 mm to 92.5 mm (equivalent to 28.8 mm to 720 ...

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 ...

If you recently acquired your first interchangeable lens camera, you’re probably already thinking about what lenses to add to your bag. As cool as your new DSLR or mirrorless camera is now, it won’t ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Knowing how much of your scene you can capture at each lens' focal length is a conundrum every ...

On Apple's iPhone 15 Pro models, the Main camera now allows users to switch between three focal lengths when shooting. Keep reading to learn how it works. To take advantage of the enhanced camera ...

Why is 'depth of field' or 'depth of focus' greater with a smaller aperture on a camera or when the iris in your eye is closed down to a smaller pupil size? Ever since people first noticed that you ...