Surgical Operating Microscope: Optics : Apochromatic Eyepiece : High Eye point eye piece with 10x power & -6 to +6 dioptor adjustment Binocular : 90° Straight, 45° Inclined or 0-210° tiltable binocular with 55 to 75 mm ipd adjustment Magnification : 3 steps or 5 steps or Continuous zoom - motorized Objective Lens : 200 mm, 400 mm, 250 mm, 300 mm fixed or 200-500 mm variable - motorized Illumination : High Power LED or Xenon Locks : Mechanical or Magnetic Camera : Integrated Mounting : Floor Stand, Wall mount or Ceiling mount