Description_x000D_ General description_x000D_ The independent illuminators (Z689386) have a 150 or 30 Watt variable intensity halogen light source. Three different light guides are available to attach to this source: a flexible single gooseneck (Z689394), a bifurcated or dual gooseneck (Z689408) and a ring light (Z689416). The 30 Watt source will function only with a single gooseneck._x000D_ • Goosenecks direct light to any angle or position and once positioned, remain in place_x000D_ • Focusing Lens is available for attaching to the end of the gooseneck to increase intensity and improve spotlighting_x000D_ • The Ring Light attaches to the microscope shroud and moves with the optical body, eliminating the need for adjustment_x000D_ • Polarizer and analyzer are available for the ring light