here's something pretty cool - a Kodak DCS from 1991, the first commercially available DSLR, based on the Nikon F3! I have the full kit and I'm hoping to get it working! :
File:Kodak DCS 760 1912.jpg - Wikimedia Commons
through the Nikon F-Mount - Nikon E2N and Kodak DCS 420
Kodak DCS 400 series - Wikipedia
NASA modified Nikon N90S w/ Kodak DCS 460C digital back | Timm Chapman Photography