This fiber optic illuminator delivers high intensity cold illumination that is glare and shadow free with continuous 360º even distribution of light. The high quality large fiber bundle provides maximum light transmission and 0 to 100% intensity control provides full variation in brightness. The ring mounts directly to stereo microscope turret and has a non-supportive, chrome plated sheathing for positioning onto the microscope. Features low noise, is fan cooled and has rubber feet for minimal vibration.