National 420T Series Stereo Zoom Microscope, Post, Universal Stand
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Cameras & Optics / Optics

National 420T Series Stereo Zoom Microscope, Post, Universal Stand

$907.00
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The convenience and versatility of viewing a large picture at 10x magnification, then zooming continuously all the way to close-up detail at 40x magnification. Upright, unreversed 3-dimensional image remains in focus throughout zoom range. Optional eyepieces and auxiliary objectives expand magnification range and working distances. Trinocular port accepts video or SLR adapters (included). MAGNIFICATION 1x to 4x Zoom OPTICAL SYSTEM Paired widefield 10x eyepieces are 45° inclined, with dual diopter adjustments, interpupillary adjustment from 55mm to 75mm. Accepts 23mm eyepiece reticle. Viewing head rotates 360°. Continuous magnification from 10x thru 40x. See specification chart for full magnification range available with use of optional auxiliary lenses. FOCUSING Large dual focusing knobs with slip clutch to prevent damage to mechanism. Tension adjustment eliminates focus 'drift'. ILLUMINATION Top light is LED with directional beam and rheostat control. Bottom light is LED for co

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