Manual fluorescence illuminator with 3 position fluorescence cube slider for CKX53 microscope frame, centrable field stop and ND filter slider with shutter position. Two fluorescence filtersets for blue and green excitation and height adjustable Umbra shield to optimise fluorescence condition inlcuded. Compatible with BX3 or IX3 fluorescence filter (U-FF) cubes, 100W mercury light source U-LH100HG-1-7, 120W metal halide lightsource U-HGLGPS light source and various 3rd party LED lightsources. Including Umbra shield, tool for attaching ND filter, filter slider with ND6 filter, support pillar, B- and G-excitation flourescence cube und and empty cube.