OLYMPUS BX43 Biological Microscope

$USD 19,969.00


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Introduction OLYMPUS BX43 Biological Microscope

High Performance in a Cost-Effective System

The modular BX43 microscope enables you to choose between cost-efficient and advanced configurations, depending on your needs. Modular components, such as ergonomic observation tubes and stages, make it simple to customize your microscope to your application.


Stay Comfortable with the Ergonomic Tube



The tube moves up and down, tilts, and extends forward and back. With this one component, users of nearly any height can adjust the scope so that they’re comfortable.




LED Made for Clinical Research Applications

The LED’s color rendering index is similar to a halogen bulb with a daylight filter. Stains look the same as if you were using a traditional daylight filtered halogen lamp and similar colors can be differentiated. Unlike a halogen light source, the LED has an estimated 20,000-hour lifetime.

*This graph shows the spectral characteristics of each light source. It does not compare the strength of light for each light source.


Condensers for Clinical Research Brightfield Applications

For clinical research where brightfield observation of stained specimens, such as HE-stained tissue, is common, we offer condensers with white tops, enabling you to easily position slides by eye. Condensers for darkfield, phase contrast, and low-magnification observations are available.



Abbe condenser (4X to 100X magnification)






Low-magnification condenser (2X to 100X magnification)







Swing-out condenser (1.25X to 100X magnification)






8-position, universal condenser enables brightfield, phase contrast, darkfield, polarized light, and DIC observations.








OLYMPUS BX43 Biological Microscope

High Color Rendering White LED

With luminosity equivalent to a 30 W halogen lamp, this long-lasting LED provides a consistent color temperature at any brightness level with an estimated 20,000-hour lifetime.


Maintain Brightness when Changing Magnifications

The light intensity manager eliminates the step of having to adjust the brightness when changing magnification, helping you complete your work faster and with less eye strain.

Customizable for Different Observation Styles

Modular units enable you to customize your microscope for brightfield, polarization, phase contrast, and fluorescence. Modular options include:

  • Condensers
  • Observation Tubes
  • Nosepieces
  • Stages
  • Objectives
  • Intermediate optics


Observation Method Brightfield
Phase Contrast
Fluorescence (Blue/Green Excitations)
Fluorescence (Ultraviolet Excitations)
Differential Interference Contrast
Simple Polarized Light
Illuminator Transmitted Köhler Illuminator LED Lamp
Fluorescence Illuminator 100 W Mercury Lamp
Light Guide Illumination
Focus Focusing Mechanism Stage Focus
Intermediate Magnification Changer Manual Terret
Revolving Nosepiece Manual Coded (7 positions)
Standard (7 positions)
Stage Manual Manual Stages with Right-Hand Control
  • X: 76 mm (3 in.), Y: 52 mm (2 in.)
Mechanical Oil Rectangular Stage with Right-Hand Control
  • X: 76 mm (3 in.), Y: 52 mm (2 in.)
Plain Stage Dimensions: 180 mm × 150 mm (7 in. × 6 in.)
Rotatable Graduated Stage
  • Rotation: 360 degrees
Condenser Manual Universal Condenser NA 0.9/ W.D. 1.5 mm for 1.25X–100X [swing-out: 1.25X–4X, with oil top lens: (NA 1.4/ W.D. 0.63 mm)]
Swing-Out Condenser NA 0.9/ W.D. 2 mm (1.25X–100X)
Achromatic/Aplanatic Condenser NA 1.4/ W.D. 0.7 mm (oil) (10X–100X)
Darkfield Condenser Dry NA 0.8–0.92/ W.D. 4.52 mm (10X–40X)
Darkfield Condenser Oil NA 1.2–1.4/ W.D. 0.5 mm (20X–100X)
Low Magnification Condenser NA 0.75/ W.D. 1.55 mm (2X–100X)
Abbe Conenser NA 1.1/ W.D. 0.7 mm (oil) (4X–100X)
Phase Contrast Condenser NA 1.1/ W.D. 0.7 mm (4X–100X)
Polarizing Condenser NA 0.9/ W.D. 1.3 mm (slide glass 1.5 mm) (4X–100X)
Observation Tubes Widefield (FN 22) Binocular
Tilting Binocular
Tilting Trinocular
Ergonomic Tilting Binocular
Tilting, Telescopic, Lifting Binocular
Trinocular for Infrared
Erected Trinocular
Erected Ergonomic Tilting Binocular
Super Widefield (FN 26.5) Trinocular
Erect image tilting trinocular
Dimensions (W × D × H) 274.5 mm × 362 mm × 410 mm (10.8 in. × 14.3 in. × 16.1 in.) (Standard configuration)
Weight 13.2 kg (29 lb) (Standard configuration)
Operating Environment Indoor Use Ambient Temperature 5 °C–40 °C (41 °F–104 °F)
Maximum Relative Humidity 80% for temperatures up to 31 ºC (88 ºF), decreasing linearly through 70% at 34 ºC (93 ºF), 60% at 37 ºC (99 ºF), to 50% relative humidity at 40 ºC (104 ºF)
Supply Voltage Fluctuations ±10 %


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