 "Ken-A-Vision Vision Viewer 7880 - document camera" " Ken-A-Vision camera 7880BL Document Cameras & Overhead Projectors CDWG.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." 
 "Lumens DC 193 - document camera" " Lumens camera DC193 Document Cameras & Overhead Projectors CDWG.com
"The Lumens DC 193 document camera has 20x zoom capability and a professional image sensor to deliver vivid colors at Full HD output resolution. It transmits a streaming image smoothly in real time without delays." 