Nikon's new Digital Sight DS-U3 microscope camera controller is the successor to the DS-U2. The DS-U3 is specifically designed to interface any of the cameras in the Nikon DS camera line to a PC computer through a FireWire 800 interface. The DS-U3 transmits information at high speed, and eliminates complicated and supports a variety of microscope "C" mountable cameras including the DS-Fi2 , DS-Fi1c , DS-Vi1 , DS-Ri1 and DS-Qi1 Series models. Compact Design The U3 Controller is contained in a sophisticated, thin, and compact design. Measuring 193 x 196 x 35mm (W x D x H), the U3's small footprint will integrate into any computer setup.