Depth Of Field - articles on the web

[ortega]

Tamron's Complete guide to Depth of field

http://www.tamron.com/enews/archives/may10_schneider_dof.asp

do add more, but restricted to DOF only

 

[ortega]

wikipedia - Depth of field

http://en.wikipedia.org/wiki/Depth_of_field

 

[coolthought]

Found this site DOFMaster through one of DareDevil's post.