• Focal Length and Aperture Explained for the Photography Novice
  
  digg_url = 'http://www.photoaxe.com/understanding-the-lens-focal-length-and-aperture/'; Focal Length The focal length of a lens determines its angle of view, and also ...
  angle aperture depth dof exposure field focal length lens number perspective stop tele time view wide
  in Media > Photography with aperture camera focal focallength photography by 2 users (all private)

focallength from all users