Payloads Confocal Space Microscopy: The crew removed optical lenses from the Confocal Space Microscope hardware. The Payload Control Box Hard Drive was also reconfigured for the Confocal Space Microscope. The Confocal Space Microscope (Confocal Microscope) is a JAXA facility that provides fluorescence images of biological samples aboard the International Space Station. Confocal microscopy uses spatial …