Portable camera reading systems

Lex Air Specifications

Magnification: 0.2 to 4x on a 22 inch screen
Time to read (approximate)
This depends on both the computer speed and complexity of document:
Intel Atom (dual core): 15 seconds
Intel Core2Duo: 4 seconds
Intel Core i5: 2 seconds
Camera resolution: 5 mega pixels
Focus Depth: 10 cm
4 inches
Capture Speed: Up to 20 pages per minute
(W x D x H)
6.5 x 6.2 x 25.5 cm
2.5 x 2.4 x 10 inches
Weight: 500 grams
1.1 lbs
Power: Less than 500 milliamps at 5 volts
The Lex Air camera has no measurable effect on laptop battery life
Connectivity: 1 x USB 2.0