At just 15mm in length and 60g in weight, I can't think of a smaller full-frame lens, and you know what, it ain't bad either ...

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 ...

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, ...

The main job of a lens is to concentrate (focus) light rays so the film or digital sensor can record the scene. Put simply, the distance it needs to make the light rays converge completely is called ...

A photographer's guide on the essential lenses that shape composition, depth, perspective, and other creative details across ...

I recently tested the astroimaging capability of the 20mm Sigma f1.4 DG HSM Art lens with my two DSLR cameras. Released in fall 2015, this Sigma lens has 15 elements in 11 groups. The optics contain ...

We look at situations when a prime lens is the preferred option and provide tips on using single focal length lenses effectively. Most cameras come with zoom lenses and many photographers are happy to ...

Picking a camera lens is one of the very first creative decisions involved with the photographic process. There’s a seemingly endless supply of different options out there and the choice you make will ...