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; parts and accessories thereof: > Other: > Other: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9002.90.95.00
Mounted Sapphire Laser Focusing Lens
A precision-mounted synthetic sapphire lens designed for focusing laser beams in optical instruments like laser engravers and medical lasers. It falls under HTS 9002.90.95.00 as a mounted optical element of non-glass material, specifically for use as a part in laser apparatus. The mounting ensures alignment and protection within the instrument assembly.
Polymer Achromatic Lens Assembly
A mounted doublet lens made of optical polymers that corrects chromatic aberration, used in digital projectors and camera modules. Classified under HTS 9002.90.95.00 as a mounted plastic optical element for imaging instruments. Its polymer construction and mounting distinguish it from glass lenses.
Mounted Germanium Infrared Prism
A mounted germanium crystal prism for dispersing infrared light in thermal imaging devices and spectroscopy equipment. Falls under HTS 9002.90.95.00 as a non-glass mounted optical element for analytical instruments. Germanium's IR transparency makes it essential for these applications.
Quartz Half-Wave Retarder Plate
Mounted crystalline quartz plate that introduces a half-wavelength phase shift for polarization control in laser systems and microscopes. HTS 9002.90.95.00 covers this as a mounted optical element of quartz (silica) for scientific instruments. Used in applications requiring precise light manipulation.
Mounted Plastic Aspheric Lens
Precision injection-molded plastic aspheric lens in metal mount for compact camera autofocus systems and barcode scanners. Classified HTS 9002.90.95.00 as mounted non-glass optical element for scanning/reading instruments. Aspheric design eliminates spherical aberration in miniature optics.
Fused Silica Beam Splitter
Mounted fused silica plate with dielectric coating that splits laser beams 50/50 for interferometers and holography systems. HTS 9002.90.95.00 as mounted high-purity silica optical element for measuring instruments. Extreme thermal stability for precision applications.
Calcium Fluoride Window Mount
Mounted CaF2 optical window for UV/VIS spectroscopy cells and excimer laser systems. Transparent from deep UV to IR, used where glass absorbs. HTS 9002.90.95.00 as mounted fluoride optical element for analytical apparatus.
Polycarbonate Eyepiece Lens
Lightweight mounted polycarbonate lens for monoculars, microscopes, and surgical loupes. Impact-resistant alternative to glass for field/portable optics. HTS 9002.90.95.00 as mounted plastic optical element for viewing instruments.
Silicon Avalanche Photodiode Lens
Ball lens mounted on fiber optic connector for coupling light into silicon avalanche photodiodes in LIDAR and optical communication. HTS 9002.90.95.00 as mounted optical element for sensing apparatus. Maximizes light collection efficiency.
Zinc Selenide CO2 Laser Lens
Mounted ZnSe meniscus lens for 10.6μm CO2 industrial lasers and medical CO2 surgical systems. Only material transmitting at CO2 wavelength. HTS 9002.90.95.00 mounted optical element for laser apparatus.
Acrylic Collimating Lens
Mounted PMMA collimating lens array for LED illumination systems in machine vision cameras and endoscopes. Converts divergent LED light to parallel beam. HTS 9002.90.95.00 as mounted plastic optical element for imaging apparatus.
Sapphire Protective Window
Scratch-resistant mounted sapphire window for harsh environment optics like underwater cameras and military sights. Extreme hardness protects internal optics. HTS 9002.90.95.00 mounted optical element despite protective function.
Mounted BK7 Prism Assembly
Precision mounted BK7 glass right angle prism for periscopes, borescopes, and alignment lasers. Despite glass material, complex mounting for instruments classifies HTS 9002.90.95.00 'other'. Total internal reflection optics.
Fluoropolymer Optical Filter Mount
Mounted thin-film fluoropolymer interference filter for selecting specific wavelengths in fluorescence microscopes and Raman spectrometers. Durable chemical resistance. HTS 9002.90.95.00 mounted plastic optical element.
Diamond Turning Aspheres Mount
Single-point diamond machined aspheric lenses mounted for space telescope cameras and high-end projectors. Ultra-precise surface for diffraction-limited performance. HTS 9002.90.95.00 mounted precision optical elements.