Binocular Inverted Tissue Culture Microscope with quadruple revolving nosepiece, equipped with Binocular Observation Head and Best quality optical optical components having ful prismatic optical path, large co-axial mechanical stage of size 165mm. x 180mm., co-axial coarse & fine focussing knobs with adjustable tension control ring, variable intensity controlled built in base solid-state transformer, fitted with 6V 20Watts halogen bulb and illumination based on Keohler's system. Supplied with following optical combination in a storing box. Observation Head - 45° inclined Binocular head interchangeable with Monocular or Trinocular observation head. Nosepiece - Quadruple revolving turret nosepiece with positive accurate click stops. Stage - Oversize plain stage 180 x 150mm with 2 extension plates 150 x 65mm for large bottles and microfilter work. Illumination - Based on Koehler's system is provided by a post-mounted high intensity 6 volts 20 watts Halogen illuminator. Objectives - Achromatic 5x, 10x, LWD-20x & LWD-40XSL. Eyepieces - HWF 10x (paired) with eye guards.