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Meiji Techno MT6800 Series Asbestos Bulk Fiber/Counting Microscopes

$ 6450.00

List Price: $7,195.00

Starting at: $6,450.00

SKU: MT6800

Availability: In stock

  • Bulk Fiber ID & Fiber Counting Ability
  • Phase Contrast & Polarizing
  • 5 Plan strain-free objectives (1 phase)
  • Halogen Illumination
  • Binocular or trinocular
  • Lifetime Limited Warranty

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  • Meiji MT6800 Series Asbestos Bulk Fiber/Counting Microscope
  • Meiji MT6800 Series Asbestos Bulk Fiber/Counting Microscope
  • Meiji MT6800 Series Asbestos Bulk Fiber/Counting Microscope Analyzer
  • Meiji MT6800 Series Asbestos Bulk Fiber/Counting Microscope Eyepieces
  • Meiji MT6800 Series Asbestos Bulk Fiber/Counting Microscope focus


The MT6820 and 6830 microscopes are custom-designed for asbestos fiber counting and bulk fiber identification. As such, they are manufactured under NIOSH 9002, NIOSH 7400 and OSHA ID 160 standards. As an upgrade from the MT6100 series, they include a 5th (phase) objective and hence, the capacity for phase contrast and polarizing applications.


The Seindentopf viewing head is inclined at a comfortable 30º and is available in either binocular or trinocular format. interpupillary adjustment IS from 53mm - 75mm. The head includes reticle angle compensation that maintains the reticle perpendicular in the field of view when the interpupillary distance is changed. There are three eyepieces included: 10x widefield high eyepoint eyepiece , one widefield high eyepoint focusable eyepiece with crossline reticle and guide pin, and one 10x widefield high eyepoint compensating focusing eyepiece with Walton & Beckett reticle.

The MT6820/6830 comes standard wtih 5 objectives, including three strain-free plan objectives of 10x, 20x & 40x, one 10x dispersion staining objective and one Plan semi achromat 40x phase objective.

Please note that the trinocular format requires an adapter appropriate for your camera.

Phase Contrast/Polarizing

Components include a First Order red compensating plate, Bertrand lens, analyzer in sliding mount, Blue Clear and Green Interference Filters of 29.8mm dia. each, and a centering telescope.

Stage & Focus

The ceramic-coated mechanical stage is rotatable with 360° gradations with vernier and two stage clips.

Condenser & Illumination

A strain-free Abbe NA 1.25 condenser with sliding mount is standard, along with a centering annulus for 10x, 20x, 40x phase or dispersion staining objectives, iris diaphragm and dovetail mount. Koehler illumination includes 6V 30w halogen with variable intensity control and in-base transformer.


Centering telescope, green interference filter 546nm, blue clear filter, dust cover, manual.


Specifications of Component Options

Select a component below to view related specifications.

  • MT6820 Binocular

    MT6830 Trinocular
    Brand Meiji TechnoMeiji Techno
    SKU MT6820MT6830
    Product Weight 14.000014.0000
    Product Length 255 mm255 mm
    Product Width 195 mm195 mm
    Product Height 395 mm395 mm
    System Type Brightfield, Phase Contrast, PolarizingPhase Contrast, Polarizing
    Optical Design DIN 160mmDIN 160mm
    Head Type BinocularTrinocular
    Ocular Angle 30°30°
    Diopter Adjustment DualDual
    Interpupillary Adjustment Arc (Seidentopf)Arc (Seidentopf)
    Interpupillary Adjustment Range 52 – 72 mm52 – 72 mm
    Trinocular Type  Switchable Beam-Split
    View Orientation Inverted ViewInverted View
    Ocular Tube Diameter 23 mm23 mm
    Nosepiece Orientation Front-facingFront-facing
    Nosepiece Style Quintuple (5)Quintuple (5)
    Focus Controls Coarse & Fine, CoaxialCoarse & Fine, Coaxial
    Focus Mechanism Rack & PinionRack & Pinion
    Focus Control Location Dual AmbidextrousDual Ambidextrous
    Focus Controls Graduated? YesYes
    Focus Control Safety Stop Slip ClutchSlip Clutch
    Stage Type Fixed with Attached Mechanical Slide HolderFixed with Attached Mechanical Slide Holder
    Stage Features 360deg Indexed, Ceramic Coated, Fingertip Controls360deg Indexed, Ceramic Coated, Fingertip Controls
    Stage Dimensions 170mm x 140mm170mm x 140mm
    Stage Range of Movement (XY) 80mm x 52mm80mm x 52mm
    Stage Range Graduated? YesYes
    Includes Eyepieces? YesYes
    Included Eyepiece Quantity 22
    Included Eyepieces (X) 10X10X
    Eyepiece Style SWF Super Widefield (FN 20mm)SWF Super Widefield (FN 20mm)
    Available Eyepieces 10X, 15X, 20X10X, 15X, 20X
    Min Standard Mag 50X50X
    Max Standard Mag 500X500X
    Included Objectives (Qty) 33
    Objective Lens PlanPlan
    Included Objective Types Brightfield, Phase Contrast, Strain-free (Polarizing)Brightfield, Phase Contrast, Strain-free (Polarizing)
    Condenser Type Abbe BrightfieldAbbe Brightfield
    Condenser Features Achromatic, Iris Diaphragm, Rack & Pinion Focus, Swing-out Filter HolderAchromatic, Iris Diaphragm, Rack & Pinion Focus, Swing-out Filter Holder
    Condenser N.A. 1.25 mm1.25 mm
    Filter Diameter 30 mm30 mm
    Illumination Type HalogenHalogen
    Illumination Style TransmittedTransmitted
    Collector Type KohlerKohler
    Collector Features Field DiaphragmField Diaphragm
    Transmitted Light Type HalogenHalogen
    Transmitted Light Specification 30W30W
    Transmitted Light Control VariableVariable
    Power Supply 120V AC120V AC
    Fuse 3A3A
    Polarizing Accessories Bertrand Lens (conoscopic observation)Bertrand Lens (conoscopic observation)
    Included Extras Dust CoverDust Cover