Phase Contrast Microscope has binocular head with Quadruple Nosepiece. All optics are anti-fungus treated and anti-reflection coated for maximum light throughput. Revolving and reverse nosepiece for 4 objectives. Infinity achromatic phase contrast is used as objectives. 156×138 mm of ceramic stage with integrated 76×54 mm mechanical stage protected by a ceramic surface against marks and scratches. 185×177 mm rack less stage provided with double slide holder and integrated 75×50 mm rack less mechanical stage. Focusing of specimen can be adjusted using coaxial coarse and fine focusing knobs. Supplied with an adjustable rack stop to reduce damage to sample and objectives.