Central Scientific Instrument Corporation manufactures Petrological Microscope with Revolving Nosepiece. Central Scientific Instrument Corporation offers a wide range of Microscopes, Metallographic & Petrographic Equipments and Scientific Equipments. The Petrological Microscope with Revolving Nosepiece of model POL-I-M allows a total magnification of 100X -750X with optional eyepiece. The Petrological Microscope with Revolving Nosepiece comes with an eyepiece of Huyghenian 10X [Focusable Cross Hair] and 15X.