What is the manual for this camera i got??? this

if you put the following into your address, you should be routed to the page with the manuals and downloads for your camera:
by the way, 8.9mm/f2.8 is the width and f-stop of your lens, not your camera model.
http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=DownloadDetailTabAct&fcategoryid=321&modelid=10463