A prime lens has one focal length and a fixed field of view. In order to change it, the photographer has to move closer or farther from the subject. A zoom lens has a range from wide angle (35mm ...

This varies with the focal length of the lens and film format. A distance, or angle, measure given by binocular manufacturers that's similar to angle of view on a lens. It's usually indicated in ...

Choosing the right focal length is a crucial part of the creative decision making process for a photographer. You can have the best camera for beginners, but if you don't truly understand focal ...

The distance between the principal focal point and the lens is the focal length. So a 14mm lens bends ... Short focal lengths give a wide angle of view and long focal lengths give a narrow angle ...

A lens with a short focal length used to capture a wider angle of view. A zoom lens offers a continuously variable focal length, normally without the need to refocus. A wide-angle zoom covers a ...