Inverted Biological Microscope has Trinocular viewing head with quadruple objective turret. Revolver carries four position objectives with centering system axis. Excellent infinity Plan achromatic optical system with 54 mm to 75 mm of Interpupillary distance adjustment. Presence of double layered mechanical specimen stage which measures around 224×208 mm with circular or rectangular movable plate. 10X phase contrast objective with corresponding tension plate and central telescope is included as standard. Halogen lamp is used as source of illumination.