National Optical 157 Advanced Series Binocular Biological Microscope, Reconditioned

$299 USD

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. Measures 15" high and weighs 11 lbs. Free shipping.


Cat. No. 157
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.
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

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