Wollaston Prism for Polarizing Microscopes
Birefringent Wollaston prism mounted for interference microscopy to split polarized light into orthogonal beams. HTS 9002.90.20.00 as specialized mounted prism for petrographic microscopes. Creates shear interference patterns for material stress analysis.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily by polarizing function
Polarizing optical elements have specific subheading precedence.
If supplied with complete polarizing microscope
Microscope parts classify with finished instrument.
If for materials testing machines
Testing instrument optics follow parent machine classification.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Polarization extinction ratio specs critical for classification proof
• Calcite material sourcing documentation avoids synthetic quartz confusion
• Avoid 'polarizer' generic labeling that triggers 9002.20 review
Related Products under HTS 9002.90.20.00
Mounted Right Angle Prism for Laser Alignment
A right-angle prism mounted in a precision holder, used as an optical component in laser alignment instruments to redirect light beams by 90 degrees. It falls under HTS 9002.90.20.00 as a mounted prism serving as a part for optical instruments. The mounting ensures compatibility with apparatus like surveying tools or interferometers.
Penta Prism Assembly for Surveying Theodolites
A roof penta prism mounted in an aluminum housing, essential for maintaining image orientation in surveying theodolites regardless of rotation. Classified under HTS 9002.90.20.00 as a mounted optical element for precision instruments. It deviates the line of sight by 90 degrees without inverting the image.
Dispersive Prism for Spectrometer Optics
Equilateral dispersive prism mounted in a spectrometer's optical train to separate wavelengths of light for spectral analysis. HTS 9002.90.20.00 applies as a mounted prism functioning as a key part of analytical instruments. Typically made from flint glass for high dispersion properties.
Porro Prism Pair for Binocular Optics
Pair of mounted Porro prisms that provide upright image in binocular telescopes by folding the optical path. Classified under HTS 9002.90.20.00 as essential mounted optical elements for binocular instruments. The mounting aligns precisely within the binocular housing.
Anamorphic Prism Pair for Laser Beam Shaping
Matched pair of mounted cylindrical prisms that reshape elliptical laser beams to circular profiles in diode laser systems. HTS 9002.90.20.00 classification as mounted prisms for laser optical instruments. AR coatings optimize transmission for high-power applications.
Dove Prism for Image Rotation in Microscopes
Mounted Dove prism used in microscope accessories to rotate field of view without changing focus. Falls under HTS 9002.90.20.00 as a mounted optical element for compound microscopes. Provides continuous 360-degree image rotation capability.