Since 1998, we have been supplying best value digital usb microscopes 2D or 3D with USB Mega-Pixel, HD and SD card digital cameras. All systems can be configured with various cameras, stands, screen size and 2D or 3D measurement software options. e-mail us for recommendations and price list. email@example.com We accept POs, major credit cards and PAYPAL. Or make an offer! Thank you.