Biological microscope LBM-C11  comes with an eye piece (WF10X/20 mm) and  a siedentopf binocular head, inclined at 30º with interpupillary distance range of 50-75 mm. It is useful for fine & coarse focusing of specimens very quickly & sharply. This microscope is ergonomically designed and is convenient for long term use. 3W LED lamp is used as aspheric illumination source.