Turn your iPad® into a document camera with the NEW Document Camera Stand. Utilizing the iPad® 2 or 3 camera feature, this institutional quality stand provides teachers with the same basic functionality of traditional document cameras but at a fraction of the cost. It’s perfect for teacher demonstrations, sharing student work, along with numerous other educational applications. $94.95 on site, but you can find better prices if you do a search.
http://copernicused.com/result_detail.aspx?group=dcs1
http://copernicused.com/result_detail.aspx?group=dcs1