Other
Lenses, prisms, mirrors and other optical elements, of any material, mounted, being parts of or fittings for instruments or apparatus, other than such elements of glass not optically worked. > Objective lenses: > For cameras, projectors or photographic enlargers or reducers > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 9002.90.00
Alignment Telescope Mirror
A precision flat mirror mounted for bore sighting in alignment telescopes used in machine tool setup. It serves as a reference for optical alignment in industrial applications. This mounted mirror is classified under tariff item 9002.90.00 as a fitting for optical instruments.
Amici Roof Prism for Telescopes
A mounted Amici roof prism designed for erecting images in spotting scopes and telescope eyepieces. It folds the optical path to provide an upright image, making it an essential optical element for astronomical instruments. This prism is classified under tariff item 9002.90.00 as a mounted optical element for instruments or apparatus.
Anamorphic Prism Pair for Laser Beam Shaping
A matched pair of mounted cylindrical prisms used to reshape elliptical laser beams into circular profiles in diode laser systems. These prisms are anti-reflection coated and serve as critical components in laser optical instruments. They are classified under tariff item 9002.90.00 as mounted prisms for optical apparatus.
Beam Expander Mirror Set
Two concave-convex mirrors mounted in a barrel for expanding laser beams in material processing optics. They are essential for beam expansion in laser systems. This mirror set is classified under tariff item 9002.90.00 as mounted mirrors for optical apparatus.
Corner Cube Prism for Retroreflectors
A mounted corner cube prism used as a retroreflector in survey targets and laser ranging applications. It returns light parallel to its incidence, making it essential for precision measurement instruments. This prism falls under tariff item 9002.90.00 as a mounted optical element for instruments.
Dichroic Beam Splitter Mirror
A thin-film dichroic mirror mounted on a substrate for separating wavelengths in fluorescence microscopes or multi-laser systems. It enables precise wavelength selection in optical instruments. This mounted mirror is classified under tariff item 9002.90.00 as a specialized optical element.
Dispersive Prism for Spectrometer Optics
An equilateral dispersive prism mounted in a spectrometer's optical train to separate wavelengths of light for spectral analysis. It is a key component in analytical instruments, enabling wavelength discrimination. This mounted prism is classified under tariff item 9002.90.00 as a part of optical apparatus.
Dove Prism for Image Rotation in Microscopes
A mounted Dove prism used in microscope accessories to rotate the field of view without changing focus. It provides continuous 360-degree image rotation, essential for specialized microscopy techniques. This prism falls under tariff item 9002.90.00 as a mounted optical element for compound microscopes.
Endoscope Optical Mirror Assembly
A compact mirrored prism assembly mounted for image relay in rigid endoscopes used in medical diagnostics. It enables high-quality imaging in minimally invasive procedures. This assembly is classified under tariff item 9002.90.00 as a mounted optical element for medical instruments.
Fiber Optic Coupler Mirror
A 45-degree mounted mirror for coupling free-space beams into single-mode fibers in telecom test equipment. It enables efficient beam alignment in fiber optic systems. This mounted mirror is classified under tariff item 9002.90.00 as an optical element for testing apparatus.
Mounted Right Angle Prism for Laser Alignment
A right-angle prism mounted in a precision holder, used to redirect light beams by 90 degrees in laser alignment instruments. It serves as a critical component for beam steering in optical setups. This mounted prism is classified under tariff item 9002.90.00 as a part of optical apparatus.
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. It ensures accurate angular measurements in precision instruments. This mounted prism is classified under tariff item 9002.90.00 as an optical element for surveying apparatus.
Porro Prism Pair for Binocular Optics
A pair of mounted Porro prisms that provide upright images in binocular telescopes by folding the optical path. They are essential components for binocular vision and image orientation. This prism pair is classified under tariff item 9002.90.00 as mounted optical elements for binocular instruments.
Rhomboid Prism for Periscopes
A mounted rhomboid prism that displaces the line of sight laterally in periscope optical systems. It maintains image orientation while offsetting the optical path, making it crucial for navigational instruments. This prism falls under tariff item 9002.90.00 as a mounted optical element.
Wollaston Prism for Polarizing Microscopes
A birefringent Wollaston prism mounted for interference microscopy to split polarized light into orthogonal beams. It creates shear interference patterns essential for petrographic analysis. This specialized prism is classified under tariff item 9002.90.00 as a mounted optical element for microscopes.