Turn an old microscope into a live cell imaging device | Arduino Blog
50X~1000X Magnifier HD Image Sensor 1920x1080P USB WiFi Digital Microscope with 8 LED & Professional Stand (Grey) [AHC6008HPB]- US$25.71 - PlusBuyer.com
12MP 2000X Magnification Digital USB Microscope Camera with Video Recording, 7 Inch IPS Screen, 11 LED Lights - Black [AALE3531022PB]- US$90.33 - PlusBuyer.com