National 420T-1105-05 1-4x Stereo Zoom Microscope with Trinocular Port

BH #NAS420T1105 • MFR #420T-1105-05
National
National 420T-1105-05 1-4x Stereo Zoom Microscope with Trinocular Port
Key Features
  • Counterbalanced Arm Universal Stand
  • Trinocular Port for Camera Mounting
  • 5x Inclined Stereo Eyepiece
  • 5-20x Magnification Range
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The 420T-1105-05 1-4x Stereo Zoom Microscope with Trinocular Port from National Optical is a stereoscopic zoom microscope designed for laboratories and university students. The stereo (two) eyepiece configuration is preferred by most researchers and students because of the superior depth of field and comfort compared to monocular microscopes. This model of the 420T stereo microscope has a paired 5x eyepiece delivering a 5x to 20x continuous magnification range. The achromatic 1-4x objective lens system is parfocalled and parcentered throughout the zoom range to keep the specimen in focus and centered while zooming in/out.
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Expected availability: 7-14 business days
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National 420T-1105-05 Overview

  • 1Description
  • 2Optical System
  • 3Focusing
  • 4Construction Details

The 420T-1105-05 1-4x Stereo Zoom Microscope with Trinocular Port from National Optical is a stereoscopic zoom microscope designed for laboratories and university students. The stereo (two) eyepiece configuration is preferred by most researchers and students because of the superior depth of field and comfort compared to monocular microscopes. This model of the 420T stereo microscope has a paired 5x eyepiece delivering a 5x to 20x continuous magnification range. The achromatic 1-4x objective lens system is parfocalled and parcentered throughout the zoom range to keep the specimen in focus and centered while zooming in/out.

A trinocular port also enables the 420T to transmit its magnified image to an SLR or video camera attached to the port using an included C-mount adapter. When not in use for imaging purposes, the trinocular port can be secured using a metal thumbscrew. Optional eyepieces and auxiliary objectives expand the microscope’s magnification range and working distance, further broadening the functionality of the optical system.

A user-friendly design complements the range of features that make the 420T stereo zoom microscope a welcome addition to labs and classrooms. The 420T-1105 has a universal stand with a counterbalanced boom arm that enables a range of viewing positions, making it an ideal solution for problematic specimens that are too large or abnormally-shaped for fixed arm microscopes. The viewing head accommodates specimen heights up to 437mm (17.2") and is capable of 360° rotation for sharing the stereo eyepiece among colleagues and students without moving the microscope. An adjustable interpupillary distance, individually adjustable diopter correction, and height-adjustable viewing head provide the 420T series with the flexibility needed to create a customized viewing experience.

Optical System

  • Paired 5x inclined eyepiece
  • Trinocular port for SLR and video camera mounting
  • 1-4x achromatic, parcentered, and parfocalled objective system
  • 5x to 20x magnification range
  • 80mm / 3.1" working distance, 437mm / 17.2" maximum specimen height
  • 59-83mm / 2.3-3.3" interpupillary distance
  • Individual diopter adjustments

Focusing

  • Rack and pinion focus system
  • Slip clutch prevents over-turning
  • Tension adjustment prevents focus drift
  • Dual focusing dials

Construction Details

  • Universal stand with counterbalanced boom arm
  • Post-mounted viewing head with locking collar
  • Pivoting boom arm with locking collar
  • 360° rotating viewing head
  • Cast metal frame
  • Grey enamel finish
  • 13.2" (33 cm) vertical post length
  • 15.4" (39 cm) maximum height
  • 40 lb (18.1 kg) weight with counterweight

National 420T-1105-05 Specs

Microscope TypeStereo
HeadTrinocular
Nosepiece1-Position Nosepiece
Imaging
Optical Magnification5 to 20x
Objective1 to 4x
Eyepiece5x
Illumination
Illumination TypeNone
General
Interpupillary Adjustment59 to 83 mm / 2.3 to 3.3"
Dimensions17.2" / 43.7 cm
Weight40 lb / 18.1 kg
Packaging Info
Package Weight74.7 lb
Box Dimensions (LxWxH)26 x 23 x 11"
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