This is a brand new professional EPI-fluorescent kit for compound microscopes. It comes with four high quality fluorescence objectives (FLUOR 4X, 10X, 40X & 100X), a fluorescence lighthouse, a power source and accessories. It fits B390, T390, B600, and T600 series compound microscopes. Features & Specifications: A complete EPI-fluorescent kit Blue & green exciting light and ordinary light filter system 100W fluorescent light source 100W HBO ultra hi-voltage spherical mercury lamp Three-position fluorescent filter slider assembly for blue, green, and brightfield microscopy 220V/110V (Interchangeable) external DIGITAL power supply (100W DC) Easy control design for centering arc of the mercury lamp Fluorescent light condenser with moving-control knob Fluorescent light field diaphragm with centering control adjustment Three-setting fluorescence excitation light path control dial: no light, partial light, full light Ultraviolet-light-free front light baffle Four high quality fluorescent objectives: FLUOR 4X (0.10 NA), 10X (0.25 NA), 40X (0.65 NA) & 100X (Oil, 1.25 NA) Exciting light spectrum range: 350nm - 580 nm Fluorescent light spectrum range: 420nm - 650 nm Two exciting light waves: B (blue light) and G (green light) (O - ordinary transmission light) Excitation filter (EX): EX490 (blue light) and EX545 (green light) Color dichroic mirror (DM): DM510 (blue light) and DM580 (green light) Barrier filter (BA): BA530 (blue light) and BA590 (green light) Manufactured under ISO 9001 Quality Control Standard Net Weight: 22 lbs Shipping Weight: 30 lbs Optional Accessories : UV filter system Auxiliary exciting filter: EX450-490