Schlieren Imaging Lens Adapter
Specialized adapter ring for knife-edge lenses in schlieren flow visualization systems. Classified under HTS 9013.90.70.00 for parts of unspecified optical instruments.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If test benches for fluid flow analysis
Dedicated test equipment parts classify with apparatus in 9024.
If camera lens accessories
Camera-specific adapters go to Chapter 90 photographic headings.
If plastic adapters without optical tolerances
General plastic articles classify by material in Chapter 39.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide schlieren system schematic showing adapter integration
• Specify lens thread standards (e.g
• M72x0.75) confirming optical specificity
• Document as flow visualization component, not generic adapter
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