 "Ken-a-Vision 7880 Vision Viewer Document Camera" " Ken-a-Vision Camera - Cameras & Overhead Projectors CDW.com
"With the Ken-A-Vision Digital Vision Viewer, it is easy to capture images and movies. Vision Viewer offers one cord convenience, no confusing cables to sort out that can bring your lesson plan or presentation to a stand still. No confusing buttons to fumble with on the unit because you use the mouse on your computer.The 7880 Auto Focus Vision Viewer delivers superior image quality in real time. Display documents, nearby objects or even objects at a distance. Vision Viewer by Ken-A-Vision... making it easy to focus on teaching." 
 "AVerVision U50 USB FlexArm Document Camera" "Document Cameras - Page 4 | Office Supplies Authority"
"Go Beyond the Classroom. Create lessons on the go with the USB powered document camera anywhere, anytime. The U50 document camera displays vivid motion at 5MP with 8x Zoom. Take advantage of the built in LED lights, built in auto focus, and more features at a great price." 