The Accu-Scope 3012 dual viewing microscope comes with a front to back dual bridge allowing two people to view through the microscope at one time. The dual bridge comes with a built in LED pointer. This microscope is designed to meet the demand of educational and laboratory use. You can choose between a binocular, ergonomic binocular, or trinocular viewing head for the main viewing head. For the secondary head you can choose from binocular or ergonomic binocular. The 10x eyepieces are focusable and provide a 22mm field of view which allows you to view more of your specimen. The quintuple nosepiece comes with infinity plan achromat 4x, 10x, 40x, and 100x oil objective lenses. The 40x objective lens has a long working distance to help prevent accidental contact with oil. The hard coated rackless mechanical XY stage has no protruding parts and is designed to withstand heavy use. The 1.25 N.A. condenser is fully focusable and has an iris diaphragm and filter holder. The 5 Watt LED variable illumination system provides over 20,000 hours of use. Specifications: Main Head: Binocular - 30⁰ inclined and rotatable 360⁰, Ergo Tilting Binocular - 5⁰ to 30⁰ inclination range, or Trinocular - 50/50 Light Split, 30⁰ inclined and rotatable 360⁰ Secondary Head: Binocular - 30⁰ inclined and rotatable 360⁰, or Ergo Tilting Binocular - 5⁰ to 30⁰ inclination range Dual Bridge: Face to Face w/ LED pointer Eyepieces: HWF10x/22mm focusing eyepieces with eyeguards Nosepiece: Reversed, quintuple Objectives: AIS E Plan Achromat Infinity 4x, 10x, 40x, and 100x Oil Objectives Stage: Rackless hard coated mechanical stage w/ low position coaxial controls Condenser: Abbe condenser, N.A. 1.25 with iris diaphragm & filter holder Focusing: Coaxial coarse and fine focus controls Illumination: 5 watt variable LED illuminator. LED bulb has a rated life of 20,000 hours. Universal power supply 110-220v Accessories: Dust cover, immersion oil, & instruction manual Warranty: 5 Year Mechanical & Electrical Accessories Viewing Heads Eyepieces Dual Viewing Bridge Reticles & Micrometers Objectives Condenser C-Mount Adapters Polarizer & Analyzer LED Bulb Cord Hanger Blue Filter Brochure Accu-Scope 3012 Microscope Brochure