Dino lite special light series fluorescent digital hand held microscopes usb dino lite am4113t rfyw this digital microscope has been optimised to fluoresce objects using yellow leds for excitation the 610nm emission filter enables the viewing of a wide range of fluorescence with applications in developmental biology pathology and anatomy the unit has 7x 400nm violet leds plus 1x white led that makes object location and focussing easier the special high pass type emission filter gives more