 "Epson DC-21 Document Camera"
"2 Megapixel HD 1080p Document Camera- 10x Digital, 12x Optical Zoom and 11.7" x 20.7" Shooting Area" 
 "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." 