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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  420430PHF10*

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Catalog No. 11-350-124

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Description & Specifications


Warranty 5 year limited warranty, excluding bulbs, cords, and fuses
Height (Metric) 340mm
Includes Dustcover, rubber eyeshields, glass stage plate, black and white contrast stage plate
Voltage 110V
Width (Metric) 171mm
Base Style Post
Magnification Power 10x thru 40x magnification
Objective Types 1X to 4X Zoom
Eyepiece Paired widefield 45° inclined 10X 20mm
Head Style Bionocular
Length (Metric) N/A
Lighting Type Top 12V 15w halogen, bottom 110V 5w fluorescent
Nosepiece Zoom
Weight (Metric) 5.3kg

  • 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«