The Olympus PFCA-01 Fiber Optic Cable Adapter helps in the attachment of the optical fiber cable. It has one built-in port that places the optical fiber cable in front of the camera's built-in flash. Such a mode helps in the firing of the external flash when the camera's built-in flash is fired. On the other hand, the adaptor helps in preventing backscatter by blocking the camera's built-in flash. Compatible with many Olympus point & shoot underwater camera housings, this adapter works with PT-045, PT-047 and PT-048 housings.