video://www.youtube.com/watch?v=KW0cFk9d-P0&feature=player_embedded
For those of you with a Canon EOS DSLR camera, you might be interested in this awesome Canon lens hack that involves making your own super-macro lens with aperture controls.
Most of the instructions in the video are self-explanatory and seems like a great way to save a bunch of money while making your own DIY super-macro lens for a Canon DSLR.