Dino lite special light series fluorescent digital hand held microscopes usb dino lite am4113t4 gfbw this digital microscope has been optimised to fluoresce objects using blue leds for excitation the 510nm emission filter enables the viewing of green fluorescence including gfp green fluorescent protein the unit has 7x blue leds plus 1x white led that makes object location and focussing easier the special high pass type emission filter gives more visibility and sensitivity over a larger r