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 ...

When buying a mirrorless or DSLR camera, there's an equally crucial side question: What lenses do I need for this thing? The glass you place in front of that sensor plays a key role in how your photos ...

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 ...

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 ...

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 ...

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 ...