National 417TBL-10 Stereo Microscope

National 417TBL-10 Stereo Microscope

Regular price $391.00
Regular price $435.00 Sale price $391.00
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National 417TBL-10 Stereo Microscope
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Precise optical alignment assures a three-dimensional, upright, unreversed image that is unsurpassed for everything from dissecting work to examining circuit boards. This model is a real workhorse for education and industry. Change between two magnifications simply by turning objective turret. Both transmitted and incidental fluorescent illumination provide cool, efficient lighting.
  • 2x & 4x

  • Paired widefield 10x eyepieces are 45° inclined, with diopter adjustment on left eyepiece. Interpupillary adjustment from 55mm to 75mm. Reticle holder accepts eyepiece reticle with 23mm O.D..
  • Viewing head rotates 360°.
  • Paired objectives are parfocalled, parcentered, achromatic. Choose from three models, with 1x & 2x, 1x & 3x, or 2x & 4x paired objectives.
  • Magnification changed by rotating objective turret 90° to positive click stop.
  • Both incidental and transmitted lights are 110v 5 watt fluorescent, for brightness, cool temperature, and long life.
  • Base mounted light controls permit choice of top only, bottom only, or dual illumination.
  • Heavy-duty rack and pinion focusing with slip clutch and tension adjustment.
  • Includes two 80mm stage plates, frosted glass and reversible black/white plastic.
  • Blue filter for transmitted light.
  • Locked on stage clips.
  • Cast metal frame, gray enamel finish.
  • Height: 343mm (13-1/2 in.) extends to 375mm (14-5/8 in.) for larger objects.
  • Base width: 171mm (6-3/4 in.), Base depth: 242mm (9-1/2 in.)
  • Net wt. 4.2 kgs (9.2 lbs)
  • Molded styrofoam container with rubber eyeshields and vinyl dustcover.
  • Individual: Ship wt. 6.4 (14 lbs), Dimensions 550x375x375mm (22x15x15 in.)
  • Master carton pack 2 each: Ship wt. 13.6 kgs (30 lbs), Dimensions 475x375x475mm (19x15x19 in.)


Shipping & Returns


We provide complimentary UPS ground shipping for online orders exceeding $99 to all destinations within the Continental U.S.A. Most items are drop-shipped from one of our suppliers. Due to the highly configurable nature of microscopes and our vast product portfolio, lead times can vary. Should you need expedited shipping, kindly reach out to us for a personalized quote and to ensure your availability.

We welcome international orders on a case-by-case basis. Buyers are accountable for any international duties, taxes, brokerage, or import fees that may be incurred. We encourage customers to reach out to us at prior to purchase, to ensure the microscope will meet their needs and expectations.


For most items, we accept returns within 14 days of purchase, with the buyer responsible for covering all shipping charges. Please refer to our Full Returns Policy for further details. (Note: Many returns stem from purchasing the wrong product for a specific application. To prevent this, we recommend consulting a Microscope Central expert before making your purchase.

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