BRESSER Science MPO 401 Trinocular Microscope (110V, White)

BRESSER Science MPO 401 Trinocular Microscope (110V, White)

BRESSER Science MPO 401 Trinocular Microscope (110V, White)

B&H # BR5780000 MFR # 57-80000
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Expected availability: 2-4 weeks

Product Highlights

  • For Polarization Microscopy/Conoscopy
  • Convertible to Phase Contrast Microscope
  • Trinocular, Siedentopf Interpupillary
  • 30° Inclined Viewing/360° Rotating Head
  • DIN/Plan/Pol 4x/10x/40x/100x Objectives
  • Fine/Coarse Focus with Tension & Stop
  • Kohler Illumination/Abbe Condenser/Iris
  • In/Out Auxiliary Condenser/Polarizer
  • In/Out Analyzer, Bertrand Lens
  • Round Rotating Stage/Adjustable Height
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BRESSER Science MPO 401 overview

  • 1Description

Harness the power of contrast-enhancing polarization microscopy and conoscopy using the Bresser Science MPO 401 Microscope. This fine instrument incorporates polarization and conoscopy techniques to generate brilliant images of crystalline and anisotropic structures. To achieve this, the optical configuration gives you a set of four polarization-optimized (low-strain) plan achromatic DIN objectives, a bottom (transmitted) 20W halogen Kohler illumination, a polarizer/analyzer assembly (for polarization studies), an in-and-out Bertrand lens (for conoscopy), and a 360° rotating stage.

An integral part of the illumination system are an Abbe condenser with an in-and-out auxiliary lens, an iris diaphragm, a polarizer, and a filter holder. The entire condenser assembly has a height adjustment, while the auxiliary condenser lens can be centered to regain alignment by way of external screws. To meet the requirements of polarization microscopy, the round metal stage rotates 360° and has a degree scale along the circumference that permits accurate positioning and achieving a proper orientation of a sample. It can be raised or lowered with the height-adjustment knob and centered via centering screws to ensure an on-axis rotation of your sample. For implementation of polarized light microscopy, the head contains a swinging in-and-out analyzer with graduations, and for conoscopy, it has a removable Bertrand lens and a slot for phase components like phase retarders, wave plates, and wedges.

Other highlights of this tool are its coarse and fine focusing with 2µm minimum increments, a tension ring, and a stop knob. In order to take photos or videos of your discoveries, you will need to connect a camera to a third optical tube and switch from a viewing mode to a photo mode. Should you decide to upgrade this microscope to conduct phase contrast studies as well, it can be achieved with the optional Bresser Phase Contrast Set 5942750.

Optical Design
  • For polarization microscopy and conoscopy
  • Convertible to a phase contrast microscope with the optional Bresser Phase Contrast Set 5942750
  • Polarizer and analyzer for polarization studies
  • Center-adjustable in-and-out Bertrand lens for conoscopy
  • DIN, plan achromatic 4x, 10x, 40x, and 100x objectives are optimized for polarization microscopy (low strain)
  • 40x and 100x objectives are retractable
  • 100x objective requires immersion oil
  • Two widefield 10x eyepieces with 23.5mm tube diameters
  • Phase shifter for generating phase difference
Transmitted Kohler Illumination
  • 20W halogen lamp with adjustable brightness
  • 360° rotating polarizer for polarization microscopy
  • Height- and center-adjustable Abbe condenser
  • Auxiliary condenser lens can swing in and out
  • Iris diaphragm with variable aperture
  • Bottom filter holder
Use and Handling
  • 30° inclined viewing
  • Head rotates 360°
  • Siedentopf interpupillary adjustment: 52.5-75mm
  • Coarse and fine focusing
  • Focus tension ring and stop knob
  • Selectable viewing or photo modes
  • Diopter adjustment
Round Rotating Stage
  • Center adjustable
  • 360° rotation
  • Degree ruler along perimeter
  • Two metal slide clips
Construction Details
  • Durable metal and plastic frame
  • Wide stable base with rubber feet
  • Ball-bearing nosepiece
  • Knurled adjustment rings and levers
In the Box
BRESSER Science MPO 401 Trinocular Microscope (110V, White)
  • 4x Objective
  • 10x Objective
  • 40x Objective
  • 100x Objective
  • 2 x 10x WF Eyepieces
  • Polarizer
  • Analyzer
  • Power Cable (for USA)
  • Bertrand Lens
  • Phase Shifter
  • Blue Filter
  • Diffusing Filter
  • Immersion Oil
  • Dust Cover
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description

    BRESSER Science MPO 401 specs

    Microscope Type Compound, polarization, conoscopy
    Objectives Polarization, Plan Achromatic, DIN:
    4x: 0.1 NA
    10x: 0.25 NA
    40x: 0.65 NA
    100x (oil): 1.25 NA
    Eyepiece 2 x WF 10x eyepieces, 23.2 mm barrel diameter
    Field of View Diameter: 0.71" / 18.0 mm
    Focal Length: 1.0" / 25.0 mm
    Magnification 40x, 100x, 400x, and 1000x
    Nosepiece Ball bearing, rotating, four holes
    Head Trinocular, rotates 360°
    Viewing Inclined 30°
    Focusing Fine and coarse
    2 µm accuracy
    Tension adjustment
    Focus stop
    Diopter Correction Yes
    Illumination Type: Kohler, transmitted
    Light Source: 20 W (6 V) halogen lamp
    Condenser System Abbe condenser with auxiliary lens
    Light Control Rheostat
    Interpupillary Adjustment Type: Siedentopf
    Range: 52.5-75 mm
    Power 110 V
    Specimen Stage Round, 360° rotating stage
    Overall Dimensions 18.1 x 14.2 x 7.9" / 46.3 x 36.0 x 20.0 cm
    Weight 20.5 lb / 9.3 kg

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