The Olympus BX43 microscope provides high-resolution imaging with options for brightfield, darkfield, phase contrast, and fluorescence microscopy, suitable for cellular and molecular analysis. It features a LED Köhler illuminator and 100 W mercury lamp for clear, high-contrast images. Customizable with modular units, it offers flexibility in condensers, observation tubes, nosepieces, and stages. Ergonomically designed for comfortable use, it supports magnifications from 1.25X to 100X. Ideal for versatile lab applications in diverse environments.
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)
Olympus BX43 Biological Microscope: High-Resolution Imaging with Advanced Observation Techniques for Laboratories
The Olympus BX43 microscope is a powerful, high-resolution microscope designed for laboratory imaging. It offers versatile observation methods, including brightfield, darkfield, and phase contrast microscopy, along with fluorescence imaging using both blue/green and ultraviolet excitations—ideal for cellular and molecular analysis. Equipped with a LED Köhler illuminator and a 100 W mercury fluorescence lamp, the BX43 ensures exceptional image clarity and contrast. Its ergonomic design includes flexible trinocular and binocular viewing options for comfortable, extended usage. The adaptable condenser system supports phase contrast and darkfield condensers, optimized for high-resolution observation from 1.25X to 100X magnifications. With a durable, compact build, it performs efficiently in varied ambient temperatures and high-humidity laboratory environments, making it perfect for advanced lab applications.
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
✓
Darkfield
✓
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
✓
Trinocular
✓
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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