Hacking your DSLR: Pinhole Camera

[kstar]

This is cool. Here's a step-by-step guide which shows you how to give your DSLR a 250ish f-stop pin-hole lens!

http://www.camerahacker.com/EOS_Pin-Hole_Lens/index.shtml

Also look at the bottom of the above linked page for more interesting projects.

Some more DSLR hacks found on Wired - my source for the DSLR pin-hole project:
http://blog.wired.com/gadgets/2008/04/four-camera-hac.html

Have fun.

Best,

Kurt