Dino lite special light series fluorescent digital hand held microscopes usb dino lite am4113t yfgw this digital microscope has been optimised to fluoresce objects using green leds for excitation the 570nm emission filter enables the viewing of orange to red fluorescence including most ofp orange fluorescent protein the unit has 7x green leds plus 1x white led that makes object location and focussing easier the special high pass type emission filter gives more visibility and sensitivity