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 ...

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 ...

Anthony is a Toronto-based communications specialist with degrees in history and journalism who loves to use his research and interview skills to inform and entertain. He has over a decade of ...

Photography is as much about the skill of the photographer as it is about the equipment that you use. When you first bought your camera, you probably only got the body and a lens or two. For basic ...

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 ...

Although vision correction is the main reason that contact lenses are worn, contacts can also be worn for cosmetic reasons; to change eye colour, as part of a costume, or even to sharpen the vision of ...