Microprocessor controlled dimmable fluorescent technology that is ESD safe. Cool, White Light Without Flickering or Shadows, Silent Operation. Special Blend of Rare Tri-Earth Phosphors. Delivers a More Natural Light, Easier on Your Eyes. Micro-Lite® Illuminators fit directly onto microscope objective lenses up to 2.35" with three set screws, provided. Mounting without objective lenses may require one of the adapters below.