Also known as Petrological or Petrographic Microscope and used by geologists to observe the optical properties of minerals. * Monocular inclinable body having Coarse and Graduated Fine Focusing knobs reading to 0.002mm. * Circular rotatable stage with clips, graduated 0-360° in steps of 5°. * Analyser provided in pull out slides along with Bertrand Lens, 14 Wave-length retarding plate, gypsum plate etc. * Plano concave Mirror for illumination.