Olympus 180 Series Light Guide Tube This light guide tube is a compatible replacement part for Olympus 180 series flexible endoscopes (GIF-180 CF-180). It carries light from the light source connector to the distal light cone, ensuring bright and consistent illumination during examination. Key Features High-transmission glass fiber bundle Protected by a durable metal sheath Tested for light output before shipment Direct-fit replacement, no modification required Specifications