LW Scientific Revalation III Dual Head Microscope with Achromat Objectives CREAM. With LED illumination the Revelation III offers low heat and low power consumption with bright daylight color. Optics are Titanium finished DIN standard with 30 year anti-fungal coating. DIN standard makes these microscopes perfect for college classes as the optics can be replaced readily if necessary. A Revelation III microscope is the perfect choice for every day professional use. Specifications for LW Scientific Revelation III Professional Microscopes: Head: Binocular Inclined 30 Rotate 360 Eyepieces: 10X/18mm FOV Diopter Adjustment Interpupillary Range - Binocular 48-75mm Trinocular 55-75mm Nosepiece: Quadrupole Forward Facing Objectives: DIN Achromat or DIN Plan 30 Year Antifungal Coating Parfocal Parcentric Stage: Mechanical 140mm x 130mm Coaxial Drive Stage Locking Lever Slow Close Slide Finger Focus: Coarse Adjustment Range 30mm Fine Adjustment Graduation 2um Tension Control Knob Illumination: 3W Variable LED Condenser: Moveable Abbe 1.25NA Iris Diaphragm Power: 100-240VAC/50-60Hz Auto Switching Weight and Dimensions: 14lbs 15H x 9L x 7W inches Package Contents: LW Scientific Revelation III Microscope LW Scientific R3M-DN4A-DAL3: Revalation III Dual Head Microscope with Achromat Objectives CREAM