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National Model 109-LED Compound Microscope

B&H # NACM109LEDE Mfr # 109-LED
Back-ordered

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This item is backordered by the manufacturer.


Expected availability: August 28 2014
Free Standard Shipping
Not eligible for free Expedited Shipping
You Pay: $139.95
Product Highlights
  • 40x, 100x, 400x Magnification
  • 4x, 10x, 40xR Objectives
  • Widefield 10x Eyepiece
  • 45° Inclined Head
  • Head Rotates 360°
  • Cordless LED Illuminator
  • Rack and Pinion Focusing
  • Slip Clutch to Prevent Overfocusing
  • Designed for Younger Students
  • Budget-Friendly

The National Optical & Scientific Instrument Model 109-LED Compound Microscope is a kid-friendly and budget-conscious instrument for the classroom. Featuring cool LED light, the 109-LED is easy for children to operate. A number of safety features also help protect the microscope for years to come. Examples include the slip clutch, which prevents over focusing, and the rack stop, which prevents damage to the slides.

When it comes to optics the 109-LED provides students with 40x, 100x, and 400x magnification, along with color coded 4x, 10x, and 40xR objectives. A widefield 10x eyepiece with a revolving pointer sits at a 45° angle for comfortable viewing. The head also rotates for easy sharing with other students in the group.

Optical System
  • Widefield 10x eyepiece with revolving pointer
  • 45° inclined head for ease of viewing when seated
  • Head rotates 360°
  • Color coded 4x, 10x, 40xR objectives provide 40x, 100x, and 400x magnification
  • Revolving triple nosepiece with positive click stops for easy, precise magnification changes
Illumination
  • Cordless LED Illuminator (109-LED) - lighting equivalent to a 20-watt tungsten bulb, rechargeable NiMH batteries, auto cutoff recharger, on/off switch with rheostat control
Focusing
  • Rack and pinion focusing
  • Slip clutch protects focusing mechanism from over-turning
  • Tension adjustment eliminates focus drift
  • Rack stop prevents damage to slides and lenses
  • Coarse and fine focus
Stage
  • 3.5 x 3.25" / 88 x 82mm stage with locked-on, spring activated stage clips
  • Disc diaphragm
Frame
  • Rugged cast metal with inclination joint, gray enamel finish
  • Height: 11.75" / 295mm; Net weight: 3.7 lb / 1.7kg
Microscope Type Compound
Magnification 40x, 100x, 400x
Objectives 4x, 10x, 40xR
Eyepiece Widefield 10x
Light Source LED
Overall Dimensions Height: 11.75" / 295mm
Weight 3.7lb / 1.7kg
National Model 109-LED Compound Microscope
  • Vinyl Dustcover
  • Instruction Brochure
  • 5-Year Limited Warranty
  • Care & Cleaning

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    Pearstone -  Microfiber Cleaning Cloth, 18% Gray (7 x 7.9")
    • You Pay: $4.99
     

    Objective Lenses

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    National -  704-106 4x Objective Lens
    • Price: $18.70
    Usually ships in 7-10 business days ? This is a special order item. Est. arrival at B&H is 7-10 business days (subject to availability). Your order will be charged at the time of shipment.
     

    Slide Sets

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    Celestron -  Blank Microscope Slides (72 pieces)
    • You Pay: $3.49
     

    Microscope Accessories

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    Celestron -  Digital Microscope Imager
    • You Pay: $44.99
     

    Books & Tutorials

    Celestron -  Book: The World of the Microscope
    • You Pay: $8.99
     
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