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: > Filters and parts and accessories thereof: > 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 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 9002.20.80.00
IR Cut Filter for CMOS Sensors
Mounted IR blocking filter for digital camera CMOS modules. HTS 9002.20.80.00 for optical instrument filters. Restores color accuracy.
Solar ND Filter for Telescope Eyepieces
High-density mounted solar filter for safe sun observation telescopes. Under HTS 9002.20.80.00 as telescope filter fitting. Reduces intensity to 1/100,000.
Custom Mounted Color Filter for Calibrators
Mounted color separation filter for monitor calibration instruments. HTS 9002.20.80.00 as measuring optical filter. Ensures color accuracy.
Bandpass Filter Wheel Insert for Cameras
Individual mounted bandpass filter for astrophotography camera wheels. Classifies in HTS 9002.20.80.00 as camera optical filter part. Filters specific emission lines.
Neutral Density Wedge Filter for Ophthalmoscopes
Variable mounted ND wedge filter adjusting brightness in eye exam instruments. HTS 9002.20.80.00 as medical optical filter accessory. Aids retinal imaging.
Schott KG-1 Heat Filter for Overhead Projectors
Specific Schott KG-1 glass mounted filter absorbing IR in overhead projectors. Under HTS 9002.20.80.00 as projector optical filter part. Prevents transparency warping from heat.
Mounted Neutral Density Optical Filter
A mounted neutral density filter used in photographic and scientific instruments to reduce light intensity without altering color balance. It falls under HTS 9002.20.80.00 as a mounted optical filter that is a part or fitting for optical instruments, not unworked glass. These filters are essential for cameras, projectors, and laboratory spectrometers.
Polarizing Filter for Microscopes
A mounted polarizing filter designed for petrographic or biological microscopes to analyze light properties in samples. Classified under HTS 9002.20.80.00 as an optical filter part for laboratory instruments. It enables contrast enhancement in mineral and material studies.
Interference Bandpass Filter for Spectrometers
A thin-film mounted interference filter that transmits specific wavelengths for analytical spectrometers. It is a part under HTS 9002.20.80.00 for mounted optical elements in measuring instruments. Used in chemistry and physics labs for precise spectral analysis.
Longpass Optical Filter for Laser Systems
Mounted longpass filter blocking short wavelengths in laser alignment and safety instruments. Falls under HTS 9002.20.80.00 as a filter accessory for optical apparatus. Critical for biomedical and industrial laser applications.
Shortpass Dichroic Filter for Fluorescence Microscopes
Mounted dichroic shortpass filter separating excitation and emission light in fluorescence setups. Classified in HTS 9002.20.80.00 as an optical filter part for microscopes. Enables high-contrast imaging in biological research.
UV Blocking Filter for Endoscopes
Mounted UV blocking filter protecting sensors in medical endoscope cameras. Under HTS 9002.20.80.00 as filter part for optical medical instruments. Prevents tissue damage and improves image quality.
Notch Filter for Raman Spectroscopy
Mounted notch filter rejecting laser wavelengths in Raman spectrometers for molecular analysis. HTS 9002.20.80.00 covers this as a mounted optical filter accessory. Vital for pharmaceutical and materials R&D.
Heat Absorbing Filter for Projectors
Mounted IR heat filter protecting lamps and optics in multimedia projectors. Classifies under HTS 9002.20.80.00 as filter fitting for optical apparatus. Extends bulb life in presentation systems.
Anti-Reflection Coated Filter for Telescopes
Mounted AR-coated filter reducing ghosting in astronomical telescopes. HTS 9002.20.80.00 for mounted optical elements in instruments. Improves planetary and deep-sky observation.