Amazon.com : Dino-Lite USB Digital Microscope AM4113ZT - 1.3MP, 10x - 50x, 220x Optical Magnification, Measurement, Polarized Light : Electronics
Dino Lite USB microscope 1.3 MP Digital zoom (max.): 500 x | Conrad.com
Dino-Lite AM2111 USB Handheld Digital Microscope Optical 10X-220X Magnification Software for Windows/Mac/iOS/Android Supports PC Tablet and Mobile Devices : Amazon.in: Computers & Accessories