OLYMPUS U-TRUS BX MICROSCOPE SIDE CAMERA PORT W/ 0.5x C-MOUNT - MISSING LEVER. Olympus U-TRUS trinocular side camera port for BX series microscopes with Optem DC500U 0.5X C-mount camera adapter. Clear optics but it is missing the visibility switch lever on the side as seen. The prism inside can still move so you would need to replace the lever.