National 411-TBL-10 Stereoscopic Microscope

National 411-TBL-10 Stereoscopic Microscope

National 411-TBL-10 Stereoscopic Microscope

B&H # NASM411TBL10 MFR # 411TBL-10
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Expected availability: 7-10 business days

Product Highlights

  • Paired 10.0x Eyepieces
  • 2.0x and 4.0x Objectives
  • 45° Inclined Viewing Tube
  • Rack and Pinion Focusing
  • 360° Locking Viewing Head
  • 10w Top Light / 15w Bottom Light
  • 4-Position Illumination Switch
  • 80mm Frosted Stage Plate
  • Cast Metal Frame
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National 411TBL-10 overview

  • 1Description

The 411-TBL-10 Stereoscopic Microscope from National Optical is a versatile user-friendly stereoscopic optical instrument designed to facilitate teaching at the high school level and is also capable of handling a wide range of tasks for hobbyists and researchers alike. This updated model features a dual tungsten illumination system that provides top (incidental) and bottom (transmitted) specimen lighting options. The student-proof design decreases the likelihood of lost parts or mishandling.

This model of the 409 series microscope is configured with inclined 10x eyepieces, achromatic 2x and 4x objectives mounted on a rotating turret that locks in place, and rack and pinion focusing with slip clutch and tension adjustment. The included 80mm reversible black and white contrast plate and 80mm frosted glass stage provides operators with several viewing options that compliment the multi-angle illumination system.

Optical System

Paired widefield 10x inclined eyepieces with diopter and interpupillary adjustments
Rack and pinion focusing with slip clutch and tension adjustment
Achromatic parfocalled and parcentered 2x and 4x objectives
360° rotating and locking viewing head


Durable 14.5" (37 cm) cast metal frame
Locked-on stage clips and blue filter for transmitted (bottom) light
80mm reversible black/white plastic contrast plate and 80mm frosted glass stage plate


12v 10w incidental (top) light and 110v 15w transmitted (bottom) light
4-position illumination switch: top only, bottom only, top and bottom, off
In the Box
National 411-TBL-10 Stereoscopic Microscope
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    National 411TBL-10 specs

    Microscope Type Stereoscopic
    Eyepiece Widefield 10.0x, 45° inclined
    Objective(s) 2.0x, 4.0x
    Interpupillary Adjustment 2.16 - 2.95" (55 - 75mm)
    Head Locking 360°
    Focuser Rack and pinion
    Light Source 12v 10w (incidental), 110v 15w (transmitted)
    Light Control 4-position: top only, bottom only, top and bottom, off
    Specimen Stage 80mm reversible B/W plastic contrast plate, 80mm frosted glass stage plate
    Frame Dimensions 14.6" (37 cm)
    Frame Weight 9 lb (4.1 kg)

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