Microscopes and parts thereof; containers for microscope slides; cover glass for microscope slides; body-tubes for microscopes being lens barrels for microscopes; lenses for microscopes; body tubes for microscopes; microscope condensers; microscope illuminating devices; microscope lamps; microscope lenses; microscope objectives; laboratory equipment, namely, microscope slides; laboratory equipment, namely, microscope calibration slides, microscope c-mounts; microscope target pointers