VanGuard 1220CM Brightfield Clinical Microscope with Binocular Head, Halogen Illumination, 4X, 10X, 40X, 100X Magnification, 360 Degree Viewing Angle, Achromatic (DIN) Type Clinical microscope provides high magnification for biological, diagnostic and educational use in medical and veterinary clinics, universities and industrial laboratories Binocular viewing heads ease eye strain and provide a more comprehensive view Magnification ability of 4X, 10X, 40X and 100X (oil immersion method) for a variety of resolvant options 20-watt variable quartz halogen illumination component with Brightfield configuration, and integrated Koehler illumination for brightness control, and achromatic lenses to correct for red and yellow chromatic aberration Five-year mechanical and optical warranties, and a one-year electrical warranty