National Optical 157 Advanced Series Binocular Biological Microscope, Reconditioned

The refurbished National Optical Advanced 157 Series is a great choice for AP Biology, college courses, veterinary and intermediate clinical use, as well as industrial and hobby applications. Incudes a Benz Microscope Dust Cover. Or if you prefer, opt for our Soft Sided Carrying Case for just $29. That's 40% off the regular price! FEATURES: Cat. No. 157 Head Binocular, Inclined 45°, Rotates 360° Din Objectives 4X, 10X, 40XR, 100XR Oil Nosecone 4 Hole Turret, Ball Bearing Mounted Eyepieces W10XD 18mm with Pointer Stage  Graduated Mechanical Stage, 5.25" x 5.25" with Low Position Coaxial X-Y Controls. Substage N.A. 1.25 Abbe Condensor with Iris Diaghragm, Spiral Mount, Swing-out Filter Holder with Blue Filter Focusing Separate Course and Fine Focus w/Slip Clutch (to protect mechanism and slides from damage)  Illuminator 5W Fluorescent Replacement Bulb 2202F Original Mfr Sugg. List $650.00 Weight 15" high and weighs 11 lbs.