The lens in a camera is like an eye that lets light into the camera body and focuses it on the sensor, where the image is recorded. The larger the optical components (known as ‘elements’) in the lens, ...

The lens you get when you buy a DSLR—generally a standard 18-55mm zoom, or something like it—is designed for some level of versatility but not much beyond that. It doesn't capture particularly sharp ...

Your lens determines image sharpness, throw ratio, aspect ratio and maximum picture size. Fixed lenses are cheap and portable; zoom adds size flexibility; lens shift eases placement. Protect and clean ...

The progression of CCTV in monitoring and control applications appears to be non-stop. In fact, it looks like we have reached a stage at which the role and growth of closed circuit television ...

If you've decided to take the plunge and buy a new mirrorless camera, possibly ditching your DSLR, you now have another decision: What lenses do you need? That decision could have a large impact on ...

Nikon once said that "a photographer is only as good as the equipment he uses, and a good lens is essential to taking good pictures." Not strictly true of course, someone with a good eye can work ...