first u need to go to ebay homepage ,then photography.there we see many related searches like camcorders,cameras etc. then u need to go to digital cameras or camcorders link and there we see many picture of cameras or cam .after that on  the left hand u see some related links to it and there u could also chose what company , model , resolution and display size of the  camera. then u could find ur own searches and buy a digital cameras for you.

But pls remember to bid or buy on ebay u first need to be need register on ebay.