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Fisher Scientific™ 420 Series Zoom Stereoscopic Microscopes

For viewing large images at 10X magnification and then zooming continuously to close-up detail at 40X magnification

Manufacturer: national optical  420T110710

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Catalog No. 11350128

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Description & Specifications


Magnification Power 10x thru 40x magnification
Base Style Platform Stand
Objective Types 1X to 4X Zoom
Voltage 110V
Warranty 5 year limited warranty, excluding bulbs, cords, and fuses
Head Style Trinocular
Nosepiece Zoom
Weight (Metric) 2.8kg
Lighting Type No built-in illumination
Eyepiece Paired widefield 45° inclined 10X 20mm
Width (Metric) 220mm
Includes Dustcover, rubber eyeshields, glass stage plate, black and white contrast stage plate
Length (Metric) 220mm
Height (Metric) 246mm

  • Upright, unreversed three-dimensional image remains in focus throughout zoom range
  • Optional eyepieces and auxiliary objectives expand magnification range and working distances
Optical System
  • Paired widefield 10X/20mm eyepieces are 45° inclined, with dual diopter adjustments, interpupillary adjustment from 55 to 75mm
  • Accepts 23mm eyepiece reticle
  • Viewing head rotates 360°
  • Achromatic, color corrected lenses
  • Continuous magnification from 10X through 40X
  • Objective Classification: Achromatic, color corrected
  • Rack and pinion focusing with large dual focusing knobs with slip clutch to prevents damage to mechanism
  • Tension adjustment eliminates focus «drift«