Stanford group release Open Source Camera - Frankencamera
news.stanford.edu
news.stanford.edu
Something that would be much more exciting would be an open hardware initiative to build "computational cameras" -- such as ones that employ assorted pixel masks for high dynamic range or actuated imaging elements to produce flexible depth of field.
If you're into the idea of "computational cameras", there was a really cool plenary talk at a conference earlier this year -- check out some coverage at Hizook.com
http://www.hizook.com/blog/2009/06/26/computational-cameras-...
http://graphics.stanford.edu/projects/mich/ http://www.cse.ucsc.edu/classes/cmps290b/Fall05/readings/dmi...
http://magiclantern.wikia.com/ http://chdk.wikia.com/wiki/CHDK