National 210-RLED Cordless Microscope

BH #NA210RLED • MFR #210-RLED
National
National 210-RLED Cordless Microscope
Key Features
  • DIN 4x / 10x / 40xR Objectives
  • 10x Wide Field Eyepiece
  • 40x / 100x / 400x Magnification
  • Achromatic / Parfocal / Parcentered
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The 210-RLED Cordless Microscope from National Optical is a three-objective single viewing microscope with a 45° inclined monocular. The three objectives are 4x, 10x, and 40xR, and feature achromatic lenses which reduce color distortions introduced by imperfections in optical elements. Reducing these color distortions allows you to see sharper images with better color fidelity. The retractable 40xR objective has a spring-loaded lens which will retract when it touches the slide thereby protecting the lens and the slide. The parfocalled and parcentered design allows for switching objectives without having to realign your sample and without losing focus. Both the turret and the included objectives adhere to the DIN microscope objective standard. This means that you can use any DIN objective with your microscope worrying about it ever becoming obsolete. The focusing system performs fine and coarse adjustments. The turret has four holes and can accommodate a fourth objective.
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National 210-RLED Overview

  • 1Description
  • 2Optical System
  • 3Focusing
  • 4Illumination
  • 5Stage
  • 6Construction Details

The 210-RLED Cordless Microscope from National Optical is a three-objective single viewing microscope with a 45° inclined monocular. The three objectives are 4x, 10x, and 40xR, and feature achromatic lenses which reduce color distortions introduced by imperfections in optical elements. Reducing these color distortions allows you to see sharper images with better color fidelity. The retractable 40xR objective has a spring-loaded lens which will retract when it touches the slide thereby protecting the lens and the slide. The parfocalled and parcentered design allows for switching objectives without having to realign your sample and without losing focus. Both the turret and the included objectives adhere to the DIN microscope objective standard. This means that you can use any DIN objective with your microscope worrying about it ever becoming obsolete. The focusing system performs fine and coarse adjustments. The turret has four holes and can accommodate a fourth objective.

To see details of your specimens more easily, the microscope has an LED illumination system with adjustable brightness. The light intensity it delivers is equivalent to that of a 20W incandescent bulb. The white light from the bottom LED emitter is focused on the sample with a 0.65 NA Abbe condenser. The iris diaphragm located underneath the stage allows you to tune the contrast of your images while using different magnifying powers.

The microscope also features a 5.3 x 5.3" platform with an adjustable height and has two clips which hold your slides securely in place. The frame of the microscope is made of cast metal with gray enamel finish.

Included with the microscope are three rechargeable AA NiMH batteries, a wall adapter, a dustcover, and two Allen wrenches for rack stop and eyepiece socket tension adjustment. To recharge your microscope's batteries, just connect the microscope to the wall power adapter.

Optical System

  • DIN 4x, 10x, 40xR objectives
  • The 40xR objective is retractable
  • Total magnification: 40x, 100x and 400x
  • Achromatic, parfocal and parcentered lenses
  • Eyepiece is 10x wide field
  • Monocular is inclined 45°
  • Head rotates 360°

Focusing

  • Low position coarse and fine focusing
  • Slip clutch prevents damage to focusing system
  • Tension adjustment eliminates stage drift
  • Safety rack stop prevents damage to slides and objective lenses

Illumination

  • LED illumination equivalent to a 20W bulb with rheostat intensity control
  • 0.65 N.A. Abbe condenser with spiral focusing mount
  • Iris diaphragm, swing-out filter holder, blue filter
  • Cordless operation using included rechargeable batteries

Stage

  • 5.3 x 5.3" platform with adjustable height
  • Two clips for holding slides

Construction Details

  • Reverse position objective turret with four holes
  • Turret mount has a ball bearing
  • Cast metal frame with gray enamel finish

National 210-RLED Specs

Microscope TypeCompound
Head45° Inclined, 360° Rotating Monocular
Nosepiece3-Position Nosepiece
Imaging
Optical Magnification40x, 100x, 400x
Objective4x, 10x, 40x
Eyepiece10x Wide Field
FocusingCoarse, Fine
Illumination
Illumination TypeLED
Condenser0.65 Numerical Aperture (NA) Abbe
DimmerYes
General
Power SourceBattery
Battery3 x AA NiMH (50-Hour Runtime)
MaterialMetal
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