Euromex BioBlue BB.4220-P-HLED Polarization Microscope

Description

Built for petrographic teaching and chemical crystal screening, the Euromex BioBlue BB.4220-P-HLED Polarization Microscope provides 40x to 400x magnification across a finite optical system. The widefield 10x crosshair eyepiece delivers an 18mm field of view. Standard achromatic DIN objectives yield sharp center focus, though peripheral field curvature softens the outer 30 percent of the image circle.

A 4.2 kg cast-alloy stand houses a reversed quadruple nosepiece with 4x, 10x, and S40x achromatic objectives, a 360-degree rotatable polarizer, and an analyzer slider. The centerable circular stage rotates a full 360 degrees with specimen clamps. Coaxial coarse and fine focus knobs feature 2-micron graduations with a rack safety stop, paired with a 30-degree inclined monocular head and cordless rechargeable 1W HLED transmitted lighting.

Key Features of Euromex BioBlue BB.4220-P-HLED Polarization Microscope

Geology educators, textile inspection labs, and chemical crystallography classes utilize this dedicated monocular microscope to evaluate mineral thin sections and anisotropic fibers. The cordless internal rechargeable battery allows flexible laboratory bench placement without tangled power cables, while the rotatable stage enables precise extinction angle mapping.

• Finite optical system configured for 40x, 100x, and 400x polarized transmission magnification
• DIN achromatic polarization objectives included: 4x/0.10, 10x/0.25, and spring-loaded S40x/0.65
• Monocular observation tube with 30-degree inclination and 360-degree rotatable head plate
• Widefield WF10x/18mm eyepiece with integrated crosshair reticle for specimen alignment
• Reversed quadruple nosepiece mounted on ball bearings for smooth objective indexing
• Circular 360-degree rotatable stage with centering adjustment screws and dual specimen clamps
• Height-adjustable Abbe condenser (NA 1.25) with iris diaphragm and rotatable polarizer filter
• Internal rechargeable cordless power system paired with high-intensity 1W HLED illumination

Orthoscopic Polarization Physics & Crystal Birefringence

Achromatic 35mm DIN objectives focus spectral light evenly across the central field, allowing students to observe pleochroism and interference colors with clean contrast. Positioning the rotatable substage polarizer perpendicular to the intermediate analyzer slider creates crossed polarization, extinguishing isotropic matrix backgrounds to highlight crystal twinning and birefringent mineral grains.

Rotatable Circular Stage & Focus Mechanics

Rotating smoothly on circular ball-bearing tracks, the 360-degree stage allows students to locate optic extinction positions with ease. Coaxial coarse and fine focus knobs provide 2-micron precision increments across a 23mm total travel range, while the adjustable rack stop prevents the spring-loaded S40x objective from contacting fragile glass thin sections.

• Centerable circular stage plate enables precise optical axis alignment for rotating crystal samples
• Coaxial focus assembly features 200 graduations per rotation with built-in friction control
• Cordless rechargeable LED battery system provides up to 60 hours of continuous classroom operation

Euromex 10-Year Warranty & Box Gear

Euromex backs this polarizing microscope with a 10-year manufacturer limited warranty on mechanical and optical components, alongside a 2-year warranty on electrical parts and LED modules. The complete factory package contains the BB.4220-P-HLED microscope, three DIN objectives, crosshair eyepiece, rotatable polarizer, analyzer slider, dust cover, and charger.