It was the curved shape of the lens that led to its name being borrowed, in the late 17th century, from the Latin name of the lentil plant, lens culinaris. In French, another word for lens is objectif ...

Cinematographer Newton Thomas Sigel takes us through the differences between wide-angle, normal and telephoto lenses. He explains the science of each lens using examples from “Bohemian Rhapsody,” ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SEATTLE—Primes are single focal length lenses, which can be designed with a relatively few ...

Whether you want to shoot a tennis match or take a close-up of a butterfly, you will need the right lens for the job. The primary differentiators among lenses are focal length (the distance at which ...

We may receive a commission on purchases made from links. Whether you're a serious enthusiast or a professional photographer, removable-lens cameras have been the tool of choice for the better part of ...

Roland Denning on what exactly is meant when we say a lens is 'standard' and why that meaning may be rather more fluid than many would like to admit. This might seem a simple question, but what is a ...

Telescope focal length determines image magnification. Field of view (FOV) shows how much sky your telescope displays. FOV is calculated using telescope and camera/eyepiece specs. Match telescope FOV ...