Full Field Illumination System with Flash Lamp, LGA (via light guide) and Dual LLG coupler allows the combination of two light sources. The system uses a universal pulsed light source with pulses of less than 1 ms. It has high energy and medium repetition rate. The Flash Lamp is a multi-functional pulsed light source with high energy and medium repetition rate. The Dual LLG coupler guide adapter is connected to the standard microscope coupler of Olympus, Zeiss, Nikon and Leica microscopes.