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 ...

Photography blogger Lau offers a plain-English explanation of two of the most confusing concepts in photography: aperture and focal length. A highlight: Lenses with larger apertures are faster because ...

I dabble in digital photography-- over at my other blog, I'm doing a photo-a-day project-- which means that, like a lot of amateur photographers, I've acquired a collection of lenses of various types.

How to select the best focal length; Why wide-angle lenses?; Zoom or Prime?; Telephoto lenses; Focal length analysis; All the information you need to select the right lens for landscapes. A focal ...

When it comes to photo gear, there's not much to the model names for cameras—each manufacturer has its own line with relatively simple, short model numbers. But the lenses that work with ...