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National 111 Monocular Microscope

National 111 Monocular Microscope

Regular price $220.00
Regular price $245.00 Sale price $220.00
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National 111 Monocular Microscope
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Description

For superior performance, this intermediate level microscope features the same rugged construction and a full-sized DIN optical system of our popular 130 series. Wider field of view, greater resolution, better light condensing system and larger frame than ordinary elementary microscopes. For instruction from elementary level through grade 8 or 9. 
 
OPTICAL SYSTEM
  • Widefield 10x eyepiece with revolving pointer.
  • 45° inclined viewing head rotates 360°. Permits stage to remain level when viewing wet slides, allows easy sharing by more than one student.
  • Revolving triple nosepiece with positive click stops.
  • Achromatic, parcentered, parfocalled DIN standard 4x (0.10N.A.), 10x (0.25N.A.) and 40xR (0.65N.A.) objectives are color-coded.
ILLUMINATION
  • Built-in 115v 20-watt electric illuminator with on/off switch, heavy-duty 3-wire cord.
FOCUSING
  • Low-position focusing is rack and pinion, with slip clutch to protect mechanism against over-turning.
  • Tension adjustment eliminates focusing drift.
  • Safety rack stop prevents damage to slides and objective lenses.
STAGE
  • Large 110mm x 120mm (4-3/8 in. x 4-3/4 in.) stage with locked-on, spring mounted stage clips.
  • 0.65NA condenser lens mounted in stage.
  • Calibrated 5-hole disc diaphragm.
FRAME
  • Rugged cast metal, gray enamel finish.
  • Height 340 mm (13-1/2 in.). Net wt. 2.7 kgs (6 lbs).
WARRANTY

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Shipping & Returns

Shipping

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 sales@microscopecentral.com prior to purchase, to ensure the microscope will meet their needs and expectations.

Returns

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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