This is the Canon EOS 50D:
The Canon EOS 50D digital SLR camera was introduced on 26-August-2008.
Download the Canon 50D Manual.
Articles
Recommended Lenses for the Canon 50D
Remote Shutter Release / Trigger Options for Mid to High End Canon Digital SLR Cameras
Canon 50D vs Nikon D300 Compared
Resources
Official Canon 50D page at Canon USA.
Related
Canon cameras — Main page.