Very Informative Depth-of-field Tutorial
Depth of Field Explained (by snodart.com) from NT on Vimeo.
This was a great tutorial I came across that explained exactly how Depth-of-Field works, and what it means for your image. It's originally from SnodArt.com, along with alot of other fantastic tutorials, so check them out, you can never learn to much about how your Camera works!
Additional, here is a great Calculator feature I found that handles Depth-of-field calculations, that you might want to...
During my tenure at film school I never seemed to be able to fully comprehend taking a light meter reading (thankfully, I became a screenwriting major). While most DIY-ers are shooting digital with internal meters, knowing how to set up a shot using a light meter is a must if you want to move onto professional film making.
