A Simple Explanation of F-Stop

This video explains the f-stop scale used in photography and video. It explains what f-stop actually is and why the f-stop numbers are what they are. It also gives an easy trick to remember the entire f-stop scale.

Bennet, D. 2012, Vídeo explicativo (y realmente útil) sobre los números F [online]
Available from: http://altfoto.com/2012/04/video-explicativo-y-realmente-util-sobre-los-numeros-f

[Accessed: 19.4.2012].