SEATTLE—Primes are single focal length lenses, which can be designed with a relatively few optical elements and thus are capable of transmitting a lot of light to the film or digital camera sensor.

A lens focuses light onto the sensor of a digital camera and is critical to photography. To help you make an informed choice when buying or mounting an optic, we explain some of the most important ...

Indicates the magnification and angle-of-view of a lens. The human eye sees things roughly the same as a 43mm focal length of a lens for a 35mm camera. Anything shorter is classed as a wide-angle, ...

Hello and welcome to my first beginners guide of 2012. I hope you all had a Cool Yule involving loads of new cameras and lenses and a happy New Year. If you did get a new lens for Christmas or just ...

This article is the third in a series teaching the basics of photography. We started by learning about the properties of light and how an image is created, and we also learned how a lens bends light ...

If you're getting started with portrait photography, one of the biggest questions is: what lens should I use for portraits? With the best portrait lenses coming in so many options – from affordable ...

How to select the best focal length; Why wide-angle lenses?; Zoom or Prime?; Telephoto lenses; Focal length analysis; All the information you need to select the right lens for landscapes. A focal ...

Perspective in an image is all about the relationships between objects in the scene; specifically their relative sizes and positions … Perspective in an image is all about the relationships between ...