National 131-LED Inclined Monocular Microscope with Cordless LED Illumination

National 131-LED Inclined Monocular Microscope with Cordless LED Illumination

National 131-LED Inclined Monocular Microscope with Cordless LED Illumination

B&H # NACM131LED MFR # 131-LED
National 131-LED Inclined Monocular Microscope with Cordless LED Illumination

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Product Highlights

  • 4x, 10, 40xR DIN Achromatic Objectives
  • 40x, 100x, 400x Magnification
  • Widefield 10 Eyepiece with Pointer
  • 45° Monocular Viewing Head
  • Head Rotates 360°
  • Focusing Safety Features
  • LED Illumination
  • AA Battery Powered
  • Optional Power Adapter
  • Limited Lifetime Warranty
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  • 1Description

Budget-friendly and geared for student use, the National Optical & Scientific Instruments 131-LED Inclined Monocular Microscope with Cordless LED Illumination offers up a number of attractive features. First off, as its name states, the 131-LED provides cordless, LED illumination. Simply insert 3 AA alkaline batteries for 50 hours of use. Of course, there is the option to procure a power adapter for operation from an electrical outlet.

The optical system of the 131-LED centers around 3 DIN standard objectives: 4x, 10x, and 40xR. These objectives provide 40x, 100x, and 400x magnification. Smooth, precise changes in magnification are made with the 3-hole objective turret. A monocular eyepiece set at a 45° angle, is comfortable for students to use. It also rotates 360° for use by other students.

When it comes to focusing, the 131-LED features low position coarse and fine focusing controls. Student proof safety mechanisms work to ensure that the microscope will be alive and well in the lab for years to come. A slip clutch prevents damage from over focusing, while the tension adjustment eliminates stage drift. The safety rack stop prevents damage to slides and objective lenses.

Optical System
  • Widefield 10x eyepiece with revolving pointer. Accepts optional #965-160 eyepiece reticle
  • 45° inclined monocular viewing head rotates 360° for easy sharing by more than one student
  • DIN standard 4x (0.10 N.A.), 10x (0.25 N.A.) and 40xR (0.65 N.A.) objectives are supplied for 40x, 100x and 400x magnification. All are achromatic, parfocalled, parcentered and color-coded
  • 3-hole objective turret, ball-bearing mounted for smooth, precise changes in magnification
Focusing
  • Low position coarse and fine focusing controls
  • Slip clutch prevents damage from over focusing
  • Tension adjustment eliminates stage drift
  • Safety rack stop prevents damage to slides and objectives lenses
Illumination
  • Cool running LED light rated up to 50,000 hours of life
  • 50 hours of use from 3 standard AA alkaline batteries
  • Optional power adapter allows operation from electrical outlet
In the Box
National 131-LED Inclined Monocular Microscope with Cordless LED Illumination
  • Lifetime Limited Warranty
  • Table of Contents
    • 1Description
    Microscope Type Compound
    Head Monocular
    Magnification 40x, 100x, 400x
    Objectives DIN Achromat 4x, 10x, 40xR
    Eyepiece Widefield 10x, 18mm
    Light Source LED
    Electrical 3 standard AA alkaline batteries
    Stage 4.3 x 4.7" (110mm x 120mm) stage, with locked-on spring mounted stage clips, drilled and tapped to accept optional mechanical stage
    Nosepiece 3-hole click stop, ball-bearing mounted
    Lens (Condenser) Built-in 0.65 N.A. condenser lens, calibrated 5-hole disc diaphragm
    Overall Dimensions Height: 14.2" / 360mm
    Weight 6.8 lb / 3.1kg

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